Showing 217–228 of 257 results

CallToU Door Alarm for Home Wireless Door Alarms for Kids Safety with 120dB, Window Door Open Alarm Sensor 5 Pack

About this item : This door window alarm is 120dB loud enough to inform you if the kids are trying to sneak out at night. And the noise scares toddlers so they won’t leave the house without you EASY TO INSTALL & USE - Easily mounted by adhesive, just tape it on the window or door then all is done! No wiring is needed! No screws are required! (NOTICE: MAKE SURE THE GAP BETWEEN THE ALARM AND MAGNET PART IS WITHIN 0.6IN.) Home Security Solution: Security Alerts are perfect for notifying you when there is an unwanted entrance. Protect your children or the elderly from leaving the room and causing danger, or prevent anyone from sneaking in and out. ULTRA-SLIM DESIGN: Ultra-thin door and window alarms with 2 adjustable settings modes (off/on), the simple switch allows you to quickly turn off and on when you need it, with no need to reset. 3xLR44 batteries included per alarm WHAT YOU GET – SANJIE 5-pack window door alarm. We will provide 100% customer satisfaction service and 24*7 customer support.   These door alarms with an ultra-slim build and sleek design can be put easily wherever you need them Batteries: 3 LR44(included) Size: 1.5" x2.9"/0.4"x1.2"(1 pack) Weight: 0.11lb(1 pack) Pack: 5 packs Notice: Not UL-2017 compliant! BEST & SIMPLISAFE ALARM SYSTEM FOR HOME About CallToU CallToU door and window alarms for home is used around the house or office, apartment, basement bedroom to prevent access to any doors, windows, cabinets and drawers— anything that opens and closes. What is our vision? Our vision is make you and your family feel safe,give you and your family peace of mind,and make the life better. What kind of security product do we provide? We provide door chime,window alarm,PIR motion sensor,doorbell to keep you security. 120dB Loud Alarm Enough Easy to Install & Use and Very Sticky. Small and Barely Noticeable. 12 Months Battrey Life and Low Battery Indicator. Window Alarms for Kids Safety Door Alarms for dementia elderly Window Alarms For Home Security Easy to Install The door and window alarms are easy to use. Just remove the label and stick it to your door or window. Small and Sticky The alarm is small and barely noticeable. Lightweight and sticky so you don't worry about falling. 120dB Loud Alarm Enough If someone is breaking into your home or you want to deter someone, it's loud enough to alert you and warn someone.   Technical Details Manufacturer ‎SanJie Part Number ‎YYDOA01 Item Weight ‎6.4 ounces Product Dimensions ‎3 x 1.5 x 0.8 inches Country of Origin ‎China Batteries ‎3 LR44 batteries required. (included) Is Discontinued By Manufacturer ‎No Power Source ‎Battery Powered Item Package Quantity ‎1 Sound Level ‎120 dB Special Features ‎real-time sound alarm, wireless Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Silver Oxide  

CallToU Door Chime Wireless Waterproof Door Open Sensor Window Alarm for Kids Safety

  Product Description Wide Range of Uses:This wireless door open sensor chime can be used in a variety of scenario,such as home security, business ,office;you can use it as door alarm chime for kids safety,dementia patients,elderly,Autism,anti-theft,keep an eye on your loved ones and home to keep you peace of mind,especially the night;you can also use it as a door open alert for commercial,business,shop,office to keep track of your customers,clients,visitors. Number Display & Ringing Customization: The receiver has 1-6 display numbers to let you know which door/window is opened quickly, allowing you to react quickly; 5 volume levels, from silent to 120db,38 ringing tones to choose, you can set different ringing tones for different door sensors, making it easy for you to distinguish. Long Working Range:This wireless door open chime for home is up to 400 ft in the open area, the magnetic door sensor will automatically trigger the receiver when the magnetic strip is separated over 0.6 inch and the receiver will alerts immediately whenever the door or window is opened. Easy to Install & Expandable System: No WIFI, No Fees, Simply use the adhesive tape to attach the door magnet sensor and plug in the receiver. This is an expandable home security system, you can add more receivers or door sensors, 1 door sensor can be paired with many receivers, a receiver can be paired with up to 6 door sensors. After-sales guarantee service: Amazon Logistics is our partner, our door sensor chime can be quickly delivered to your home the next day, we provide 30 days free return, 1 year warranty, 24 hours fast reply email, no matter how long your purchase time, any questions can always contact us. CallToU Number Display Wireless Door Sensor Chime   Door chimes when door opens Protect elderly people with dementia or hearing impairments from sneaking out   Never miss a visitor   When your child tries to open the door and window and wants to go out, you can find out in time           Service Friendly Service If there are any quality problems with the products, please feel free to ask us. So as to give you the best shopping and using experience. Technical Details Color ‎Black Material ‎ABS Power Source ‎AC Installation Method ‎Self-Adhesive Item Package Quantity ‎1 Sound Level ‎110 dB Plug Format ‎A- US style Special Features ‎Easy to Install Included Components ‎Batteries Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Alkaline Description Pile ‎12V 23A  

2 sensor&1 receiver3 sensor&1 receiver4 sensor&1 receiver4 sensor&2 receiver6 sensor&2 receiver

CallToU Caregiver Pager Call Button for Elderly Emergency Call Button Home Alert System Alarm

【 Wireless Guard 】 2 Receiver 2 Call Button. Allow caregivers and residents to be free for their daily work and life. When the elderly and senior need a help, just press the call button. Ideal for elderly, seniors, patients, disabled. Protect the elderly privacy and independence 【 Easy to Carry 】 The caregiver pager system can be used in the bedroom, kitchen or yard with open area 300 FT working range. The call button can take by hand, put into pocket, hung around the neck of the person with a neck strap who needs help like a pendant and secured with a bracket or double sticker 【 55 Ringtones & 5 volume level】 The receiver of caregiver pager has 55 ringing tones to choose from and 5 level adjustable volume from 0db to 110db. Easy use by plug the receiver into an electrical outlet and you can set the suitable volume level as your request 【 Waterproof and dustproof 】 Both call button and receiver are waterproof and dustproof. Whether you install it in the washroom or take it outside on a rainy day, you don't have to worry about this caregiver pager getting wet 【OUR PROMISE TO YOU 】 A alert system for seniors and patients needs to be reliable 24/7. At CallTou, we provide round-the-clock customer service, in addition to a full year’s warranty and money back guarantee. Because we want you to have that peace of mind when it comes to caring for your loved one, christmas gifts TIPS: If you add more units to work with previous units, you need to pair them before using.   How To Change Ringtone & Pair The Pager? Step 1 Plug the receiver into the socket. Step 2 Press the forward or backward button to select your favorite ringtone. Step 3 Press the volume control and hold it until hear a sound "ding-dong", it meand the receiver get into pairing mode. Step 4 Press the call button/watch button, hear the receiver makes a sound "ding-dong" that means the receiver and the call button are paired.   NOTE 1. The working distance between the call button and the receiver is about 300 ft/90 m, and the working distance between the watch button and the receiver is about 100 ft/30 m. 2. Call buttons and watch buttons can only be splash-proof, Not immersed in water. 3. When the receiver is restored after a power outage, the volume will be restored to the default setting. The default volume setting to maximum volume level ,that is 110dB. Product information Package Dimensions 4.41 x 3.66 x 3.58 inches Item Weight 7.4 ounces Manufacturer CallTou Item model number LC01US 1-2 Batteries 2 12V batteries required. Is Discontinued By Manufacturer No Date First Available July 20, 2018

CallToU Portable Restaurant Pager System,Waiting Buzzers Pager for Servers

  Guest come to the restaurant and makes an order will get a receiver with corresponding number from the waiter.When the order is ready, the waiter at the counter will press the number on the keyboard host. The corresponding guest gets the wireless signal by his pager vibrating or LED flashing or sounding, then he knows order is ready and goes to the counter to take his food. According to different scenarios, you can change the pager number sticker and repairing the pager number. Combine the built-in rechargeable battery to better meet your demands. How to add more receivers Step 1 : Insert the receiver into charging slot, long press the key for 3 seconds, three red LED light will be keep on mean enter registration state. Step 2 : Press the keyboard corresponding to the number, then press the [CALL] key, receiver buzzer two times mean registration success, short press return to standby state. Package included 1 x Keyboard call host 16 x Pagers 1 x Power adaptor 1 x User manual Efficient and convenient Recharge Anytime Long Signal Range Product information Package Dimensions 19.3 x 9.7 x 3 inches Item Weight 3.3 pounds Manufacturer CallToU Date First Available May 20, 2021

CallToU Wireless Door Chime Digital Display Door Contact Sensor Alarm

  Product Description Wide Range of Uses:This wireless door open sensor chime can be used in a variety of scenario,such as home security, business ,office;you can use it as door alarm chime for kids safety,dementia patients,elderly,Autism,anti-theft,keep an eye on your loved ones and home to keep you peace of mind,especially the night;you can also use it as a door open alert for commercial,business,shop,office to keep track of your customers,clients,visitors. Number Display & Ringing Customization: The receiver has 1-6 display numbers to let you know which door/window is opened quickly, allowing you to react quickly; 5 volume levels, from silent to 120db,38 ringing tones to choose, you can set different ringing tones for different door sensors, making it easy for you to distinguish. Long Working Range:This wireless door open chime for home is up to 400 ft in the open area, the magnetic door sensor will automatically trigger the receiver when the magnetic strip is separated over 0.6 inch and the receiver will alerts immediately whenever the door or window is opened. Easy to Install & Expandable System: No WIFI, No Fees, Simply use the adhesive tape to attach the door magnet sensor and plug in the receiver. This is an expandable home security system, you can add more receivers or door sensors, 1 door sensor can be paired with many receivers, a receiver can be paired with up to 6 door sensors. After-sales guarantee service: Amazon Logistics is our partner, our door sensor chime can be quickly delivered to your home the next day, we provide 30 days free return, 1 year warranty, 24 hours fast reply email, no matter how long your purchase time, any questions can always contact us. CallToU Number Display Wireless Door Sensor Chime   Door chimes when door opens Protect elderly people with dementia or hearing impairments from sneaking out   Never miss a visitor   When your child tries to open the door and window and wants to go out, you can find out in time           Service Friendly Service If there are any quality problems with the products, please feel free to ask us. So as to give you the best shopping and using experience. Technical Details Item Weight ‎13.1 ounces Package Dimensions ‎5.24 x 4.06 x 3.9 inches Size ‎4 Sensor&2 Receiver Color ‎Black Material ‎ABS Power Source ‎AC Installation Method ‎Self-Adhesive Item Package Quantity ‎1 Sound Level ‎110 dB Plug Format ‎A- US style Special Features ‎Easy to Install Included Components ‎Batteries Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Alkaline Description Pile ‎12V 23A  

CalltoU two-way wireless walkie-talkie Radio intercom System 2PCS Mini Kids Wallkie Talkies Long Range for Outdoor

About this item Not need to Yell to Get Someone’s Attention:Give Both Caregiver and Patient/Elderly/Resident/Handicapped/Sick Freedom while Still calling for Help at home. Great for Outdoor and Indoor Activities:up to 4 miles with no obstructions,perfect for family camping, hiking,fishing,shopping, traveling, football games, CS games etc.Also kids can talk to their neighbor friends at home when raining or at night. Friendly Design:16 channels,VOX Hands free function, Adjustable volume,Keypad lock,easy to ues for all ages.Weight 70g ,it easily fits on your hand or hang on neck, neck strap included . Rechargeable Li-ion Battery:1100mAh,Power Saving To Extend Battery Life, Low Voltage Alert, Usb Cable Charger Version. Perfect Gifts for Kids Adults: One-to-One and One-to-More communication function allow more kids talks on same channel.Kids can have fun with families and friends Freedom.  User Manual   Basic Operation Power Key / PTT Key / "+" "-" Key In the off state , long press the power key to turn on ; in the power on state , long press the power key to turn off. In the same channel , long press the PTT key to talk , release the PTT key to end . Press the "+" key to turn up the volume ,Press the "-" key to turn down the volume.There are 8 level volume. How to change the channel Long press the power key and ‘’-‘’ key to entre the channel adjustment mode (it will remind the current channel), then press the "+" key and "-" key to change the channel .   Package2x Radios2x Charging Cables2x Belt Clips2x Neck Straps1x User Manual Rechargeable BatteryWhen you are outside on a trip,there is no socket around you,please do not worry,you could charge the radio in the car , you also can use the power bank to charge it.   Specification Item Weight ‎9.9 ounces Product Dimensions ‎7.48 x 5.51 x 1.57 inches Country of Origin ‎China Batteries ‎1 Lithium Polymer batteries required. (included) Is Discontinued By Manufacturer ‎No Date First Available January 11, 2019 Channel 16 channels Battery capacity 1100mAhv Frequency Range 400-470 MHz Channel Spacing 12.5/25kHz Operation Voltage DC3.7V Operating temperature -20-60°C Output Power 3 W Max.Audio Output Power ≥300mW Modulation Mode F3E Reference Sensitivity 0.22uV/0.25uV Audio Distortion ≤3% Antenna Impedance 50Ω Antenna Length 25mm/0.98 inches Size(excluding antenna) 96*55*22mm/3.78*2.17*0.87inchs Weight 2.47oz Low battery alert the signal become weak     CallToU Caregiver Pager Call Button CallToU Caregiver Pager Call Button CallToU Calling System Restaurant Pager CallToU Calling System Restaurant Pager CallToU Caregiver Pager Call Button Model 3 receivers + 2 buttons 1 receiver + 2 buttons 1 receiver + 10 buttons 1 receiver + 5 buttons 1 wrist pager + 2 buttons Expandable 20 receivers , 55 transmitters 20 receivers , 55 transmitters 20 receivers , 125 transmitters 20 receivers , 125 transmitters 20 receivers , 9999 transmitters Wearable transmitter transmitter transmitter transmitter receiver,transmitter Waterproof transmitter transmitter transmitter transmitter transmitter

CallToU Caregiver Pager Wireless Call Button Systems for Seniors Elderly with Hangable Transmitters and Portable Receiver

Product Description 1 Receivers 2 Call Buttons. This wireless caregiver pager has a unique anti-jamming technology with signal stability over an extra-long distance of 1000 feet and no wifi or other costs, ideal for elderly, seniors, patients, children, disabled and nurse [ Portable ] This life alert systems for seniors allow caregivers and residents to be free while ensuring that help is still available at the touch of a button. Transmitter and receiver have back clip function, also can be hung around the neck like a pendant, you can take it to the bedroom, kitchen or yard [ Smart Display ] The receiver of this caregiver pager has digital display and vibration function, which makes it easier to match eight pagers, each number can correspond to a pager. You can clearly know who pressed the help button when you see the number displayed and can also see the low battery alert [ Rechargeable ] 500mAh battery for receiver, 300mAh battery for transmitter. 3-5 days for receiver after full charge and 30-50 days for off standby, 50 days for call button, it depends for frequency of use. The receiver of this emergency alert system has 10 ringing tones to choose from and 5 level adjustable volume from 0db to 110db [ Don't Hesite to Order ] The sophisticated packaging helps you keep the pager secure without worrying about losing it. If you have any questions, you can check the included user manual, and 24 hours customer services and professional technology team are standing by  User Manual     Active Pager, Active Life More peace of mind for seniors Accurate calling with digital display and pleasant ringing allows you to keep relaxed in a variety of life scenarios Wireless call function with unique anti-jamming technology makes your life more convenient The new appearance design and rich function make your life more secure and comfortable Lightweight Design for Pick up Easier Digital Display for More Accurate Calls 10 Adjustable Volume Ringing Tones to Choose from A Receiver Can be Matched with Twenty Transmitters Signal Stability over An Extra-long Distance of 800 Feet Caregiver Call Button Easy to Carry Ultra Long Distance Super Capacity Battery No Wiring Required Strong Penetration Vibration Alert 5 Level Volume Low Battery Alert Back Clip Function Hangable Design               Caregiver Pagers Caregiver Call Button Call Button for Elderly Caregiver Intercom System Call Button Wireless Receiver Model 1 Receiver + 1 Button 2 Receivers + 2 Buttons 1 Receiver + 2 Buttons 2 Receivers + 2 Buttons + 2 Walkie Talkies 2 Buttons 1 Receiver Waterproof ✓ ✓ ✓ ✓ ✓ ✓ Volume and Ringtones 5 Levels Volume + 55 Ringtones 5 Levels Volume + 55 Ringtones 5 Levels Volume + 55 Ringtones 5 Levels Volume + 55 Ringtones   5 Levels Volume + 55 Ringtones Support More Devices Support 20 Receivers + 55 Buttons Support 20 Receivers + 55 Buttons Support 20 Receivers + 55 Buttons Support 20 Receivers + 55 Buttons Support 20 Receivers Support 55 Buttons Other Features Portable Wireless Portable Walkie Talkies Portable Wireless Product information Package Dimensions 4.22 x 3.23 x 3.11 inches Item Weight 9.3 ounces Manufacturer CallToU Batteries 3 Lithium Ion batteries required. (included)

CallToU Portable Fall Prevention Portable Motion Detector Alarm

About this item 【Wireless portable receiver is rechargeable,No noise】bring it with you everywhere by keeping it in pocket/bag.You can cook in the kitchen, water the flowers in the yard,take the express at the door.When the PIR sensor sends a signal , just press the OFF button on the receiver,the alarm will stop,not affect others. 【5 Modes Selection 】5 kinds of music (including mute mode), 4 kinds of volume (0-110dB) can be selected. The USB charging receiver is small in size, can be carried with you, and can also be attached to magnetic objects 【Sensitive & Wide Wireless Range】The motion sensor alarm catches movement from a broad scope of space, with a Working Range up to 500ft between the receiver and motion sensor. angle range of the infrared sensor is about 120° to keep you informed and safe. 【Fast, Easy to Install & Use】As for caregiver doorbell chime, there are no wires to run, no installation hassles, the motion sensor is wall mountable. including Double sided Adhesive Tapes, you can install it at the door,the wall, table and everywhere you need.You just need to put in the batteries(not included), and place the wireless motion sensor and alarm receiver wherever you prefer. 【Endless Application】suitable for family housing, companies, hospitals, hotels, factories, and other environments. The wireless caregiver motion sensor alarm is designed for the elderly, the disabled,the sick,child,pregnant woman.When people, animals or vehicles pass in front of the detector sensor, the receiver will ring when receiver receive the signal.If they encounter an emergency and just need help, This will remind the caregivers need to help them immediately. This provides caregivers with more independence. Function Display   Who needs it?   Specifications of wireless motion sensor alarm Operating temperature : -30℃ to 70℃ working frequency : 433.92MHz±280KHz PIR motion detectors battery : CR2 3V Receiver battery : Lithium battery 3.7V 220mAh Packing List of Motion Sensor Detector 2 x Receiver 3 x Magnetic Motion Detectors (Include batteries) 2 x Charging Cable 3 x Double Sided Adhesive Tapes 1 x User manual Product information Brand CallToU Color White Power Source Battery Powered Maximum Range 500 Feet Mounting Type Door.when,Pocket/bag.you Country of Origin China Date First Available October 15, 2021

2 sensor + 2 receiver3 sensor + 2 receiver

CallTou Wireless Driveway Alarm: 800ft Long Range Security Alert System with Weather Resistant Sensor - Protect Your Property Inside and Out

Product Description 🏡Enhance Your Security with Long-Range Motion Detection!🚨 Keep your property safe with our state-of-the-art motion sensor system! Detecting movement within a generous 35-50 foot range, it ensures you never miss a visitor, while reducing pesky false alarms. With a wireless reach of up to 1/2 mile, your safety is extended further. 🔄Scalable & Customizable!🎶 Expandable to 4 motion sensors, this system offers endless possibilities. Choose from 35 melodies and 5 volume settings to match different detectors, giving you the power to pinpoint where motion is detected. 🌟Versatile Protection for All Your Spaces!🏢 Ideal for homes, businesses, and offices, these weather-resistant sensors safeguard your property, whether it's your driveway, porch, gate, or more. 🔧Quick & Easy Setup!🛠️ No fuss here! Just insert 3 AA 1.5V alkaline batteries (not included) and plug in the receiver. Mount the sensor on walls, fences, or trees effortlessly. 🌦️All-Weather Assurance!☔ Our IP65 weatherproof design thrives in all seasons, with an operating range of -14–140°F (-10–60°C). The ASA shell and silicone seal combat aging and fading. 💬Got Questions? Contact Us!💡 Install this detector indoors or outdoors for comprehensive coverage. If you have any inquiries, CallTou is here to help. Stay secure with confidence!🚀 Easy to Set Up Widely Application Range Technical Details Brand ‎CallTou Color ‎2 motion sensor+ 1 receiver Power Source ‎Battery Powered Maximum Range ‎15 Meters Mounting Type ‎Wall Mount Battery Description ‎Alkaline Compatible Devices ‎Motion Detector Item Weight ‎12 ounces‎/1.08 pounds Product Dimensions ‎3.94 x 2.76 x 1.97 inches/3.94 x 3.15 x 1.97 inches Country of Origin ‎China Item model number ‎DP03 2-1 Voltage ‎1.5 Volts Included Components ‎Batteries Batteries Included? ‎No Batteries Required? ‎No Description Pile ‎Alkaline

1 motion sensor+ 1 receiver2 motion sensor+ 1 receiver

CallTou Dog Doorbell for Potty Training Wireless Dog Door Bell 3 Touch Buttons for Dog Doggie Potty Training Communication

Product Description Pet dog door bell is for training dog/pet learned to touch button when they want to go outside or back home instead of scratching barking and whining. [Improved Design]Increase trigger area of dog doorbells received button to solves the problem of small dog pressing, Just touch or slip over the button lightly to activate, easy for any small or big dogs to use. [Practical and Diversity]Door bells for dogs have 5 different volumes and 55 different tones to choose! Transmitters and receiver communicate as far as 1000 feet from each other. [Easy to Use]Use the doggie doorbell previous and next track to choose the favorite melody and press hold doggie potty bell volume button 5 seconds until heard "Ding" sound and touch or slip dog doorbell buttons to compeleted the setting.Flexibly increase or decrease the buttons and dog doorbell according to your needs. [Great Gift] Pet doggy doorbell potty training is very suitable for families with pet. It can be used as a birthday/ holiday/christmas present and also as a door bell for home or caregive pager for elderly/sick patient. Easy Installation You only need to plug the dog doorbell receiver into the 110V socket to train the dog to make the dog doorbell work normally.Use the doggie doorbell previous and next track to choose the favorite melody. Compeleted The Setting Press and hold doggie potty bell volume button 5 seconds until heard "Ding" sound and touch or slip dog doorbell buttons to compeleted the setting.When the dog can use it, tear off the glue on the back of the doggie doorbell transmitter and install it where the dog needs it. 1000 Feet Working Range In open conditions, it can work normally within 1000 ft. It can cover every corner of the home. Strong penetration and stable signal. Ensureable connection   Installation    

CallToU Door Chime Motion Sensor Wireless Door Chime Motion Detect Alarm Sensor with 500FT Range 55 Chimes 5 Volume Level LED Indicators Door Chime

Product Description 【LED Screen & 55 Music with Mute to Loud dB】5 adjustable levels(0-110 dB) and Motion sensor door chime offers 55 chimes from the traditional"Ding Dong" to various well know chimes,set different doorbell chimes for different area to know which area you have a visitor come in through the LED screen number, which can effectively offer additional assistance to the hearing impaired.【Mini Contact Sensor】 Motion sensor detection doorbell (Size:1.97x1.97x2.75inch)is shaped like an eyeball(with detection light) is fixed with the base by magnet and rotate 360 degrees to adjust the detection angle.【150M/500FT Widely Range】Door chime entry alert signal can easily cross through doors or walls, even if you are a few rooms away or on another floor. Note: The battery level will affect the signal receiving range. It is recommended to change it once every 12 months.【Expandable Door Chime Sensor】One door chime motion sensor receiver can be paired with up to 8 door sensors,and 1 door sensor can be paired with up to 55 door chimes. By adding new sensor, you can also pair with different ringtone, so that you can realize exactly which door/area is triggered.【Easy to Install】Plug the business door entry chime into socket, tear off the tape behind door sensor chime then paste on the door. The wireless door chime has been matched before shipment. If you need to replace music or add a transmitter, please re-match (Hold Receiver's volume button over 3 seconds to 5 seconds, it will trigger clean pairing function). Use Scenario  Multi-Function   Instructions for Use   1 . Plug the receiver into the socket 2 . Press the send button for about 3 seconds, when the receiver hears the "ping pong" sound, the send light will flash. 3 . Press the receiver's volume control button for about 5 seconds, and turn off the transmitter light hear the "ding ding" sound. 4.complete Sensor Sensitivity Detection angle With a transmission range of 200 meters, The sensing distance is 2-8 meters, and the sensing angle is 15° up and down and 120° left and right. It can detect the movement within its range, fixed on the base with a magnet, and can be rotated 360° to adjust the detection angle. Situational Use   What precautions should be taken during use? Infrared sensors detect temperature changes. Therefore, they react not only to people but also to animals and sense light temperature, which may cause them to malfunction. Choose a location that is less likely to be affected.   Is double-sided tape for installation included? Yes, the unit is supplied with double-sided tape for installation. Accessories include the transmitter sensor, receiver, mounting screws, double-sided tape (for the transmitter sensor), and operating instructions. Note: Do not install in wet area. What type of lithium-ion battery is used on the side of the transmitter sensor? The battery type is a CR2 3V lithium-ion battery.   Can this product be used outdoors? It should be used under the eaves or indoors. What are the advantages of the motion sensor chime? Since the chime operates by detecting infrared light and temperature, there is no need to take any action, such as turning it on. They are also ideal for security measures. Item Weight ‎8.1 ounces Package Dimensions ‎4.84 x 4.06 x 3.62 inches Item model number ‎CC22BL-PIR11BL 1-1 US Included Components ‎Motion sensor door chime Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Alkaline More Products   Wireless Door Chime Dog Training Buttons Dog Training Buttons Quantity 1-1 4 6 Color Black Multiple Multiple Function Doorbell sensor Dog Command Buttons Dog Command Buttons Materials Plastic Plastic Plastic Battery ✔ ✔ ✔