Product Description 【Clear sound】The sound is very clear, with the VOX function, the receiving effect is excellent, no noise, 16 channels can be used at the same time, which is conducive to the communication between the two parties and a very pleasant experience. 【Great for Outdoor and Indoor Activities】The receiving distance is up to 2 miles without obstacles. This is very suitable for family camping, hiking, fishing, shopping, traveling, football matches, CS games etc. Kids can also talk to neighbors and friends at home in the rain or at night. 【Wide Range of Applications】Two way walkie talkie can be used in many places, such as homes, apartments, offices, hotels, stores,warehouses, hospitals, nursing homes and so on. 【Great for Outdoor and Indoor Activities】The receiving distance is up to 2 miles without obstacles. This is very suitable for family camping, hiking, fishing, shopping, traveling, football matches, CS games etc. Kids can also talk to neighbors and friends at home in the rain or at night. 【Low power consumption and low battery reminder】This walkie-talkie consumes less power during communication, and when the battery is low, a warning sound will appear. During the charging process, the indicator light turns from red to green, indicating that it is fully charged. If you want to communicate, tune the two walkie talkies to the same channel. Press and hold the PTT button of the walkie-talkie to communicate. The indicator of the speaking party is red, and the indicator of the answering party is green. Walkie talkie gives both parties more freedom.Simple and convenient. walkie talkie rechargeable long range walkie-talkie for Home Elderly People with Disabilities, Caregivers, Outdoor, Indoor. 5 Miles of obstacle-free reception distance Clear sound 16 Channels and volume adjustable       Specifications: Brand CallToU Colour Black Number of channels 16 Special feature Long Range, Battery Strength Indicator, Voice Operated Transmission, Rechargable Frequency range 462.55 – 467.7125 MHZ Talking range maximum 5 km Tuner technology UHF Voltage 7.4 Volts Water resistance level Waterproof Number of batteries 1 Lithium Polymer batteries required. (included)

Product Description 【Wireless Paging System】pager system can doing take out a lot more organized for business; avoid staff chaos;keep social distance; widely used in restaurant;hotel; hospital; church; office 【3 Modes for restaurant paging system】vibration and flash; buzzer and flash; vibration and flash with buzzer; User can switch the mode you like.meet the needs of different occasions 【Applicable scene】 widely used hotel,church, office, restaurant,shopping mall,recreation center,cafe, food court, clinic, auto shop,4S store, bank, factory, test center and other queue 【Long range】adopt advanced wireless radio frequency technology and learning to code , the call range can up to 200m in open space,practical distance depends on many factors. 【Rechargeable Battery】Built-in external antenna on keypad and 16 batteries charging slots for pagers.You can add up to 999 pagers , also support multiple keyboard call the same receiver, don't worry about business increasing. CallToU Restaurant Pager Improve Work Efficiency   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 Features 16 charging slot Receiver power indicator, low-battery alert The host password protection to prevent error Settings Super receiving sensitivity Self testing while power on One key call all receivers One-key turn on/off Charge without heat Keyboard call host Working frequency : 433.92MHz Supply voltage : Input:AC100-240V Output:DC5V/5A Standby current : <10mA Transmit current : 100±30mA Size : 9.2*6.2*1.3 in Buzzers Working frequency : 433.92MHz Supply voltage : DC3.7V (Rechargeable battery) Charge voltage : DC5V Standby current : <15mA Working current : <100MA Receive sensitivity : -110±2dBmv Size : 4.1*2.0*0.4 in   Where we can use CallToU Restaurant Pager ? Restaurant Food Truck Church Cafe Shop       CallToU Calling System CallToU Calling System CallToU Calling System CallToU Calling System Model 1 Display Receiver + 5 Button 1 Display Receiver + 10 Button 1 Wrist Pager + 5 Button 1 Wrist Pager + 10 Button Expandable ✓ ✓ ✓ ✓ Portable call button call button call button call button Prompt Modes 1 1 4 4 Product information Package Dimensions 12.24 x 6.93 x 4.09 inches Item Weight 3.69 pounds Manufacturer CallToU Batteries 16 Lithium Polymer batteries required. (included) Date First Available April 28, 2021

Product Description LARGER WORKING RANGE: 3 plug-in caregiver receivers with digital number display and 6 call alarm buttons. long working range of 500 ft(150meters). Multiple receivers can cover more areas. You can put one in the bedroom and others on different places of different floors/hallways or anywhere, as long as there is a plug socket. SET NUMBERS for DIFFERENT CALL BUTTONS: Each call button for different number. You can put call buttons in every activity area, so you can get help anywhere any time.This number caregiver pager can show caregiver/ medical personnel exact location or room number where signal is coming from. It's a perfect device for places like nursing house/ hospital/ clinics/ Partments/ restaurants/ bars etc. POWERFUL CAREGIVER CALLING SYSTEM: Strong wireless signal penetration, for 2 or even 3 floor houses. 38 ringtone with loud speaker, 5 levels adjustable volume from 0-110 db. more options to choose from your favorate ringtone and preferrable volume. LED FLASH: Number Pager has LED flash.It can flash at night when help is needed. This is specifically designed for people with hearing problem.When Low battery, It will flash constantly so you can get to it in time PORTABLE CALL BUTTON: There is a clip on the back of each SOS call button, which can be used as a call pendant, equipped with a rope, can be worn around the neck, can be hung on the bedside or the hook on the bathroom wall, etc. wireless caregiver pager & call buttons Advantages of using wireless caregiver pager  Improve work efficiency,save staff costs In hospitals or nursing homes, patients or the elderly can get help quickly and easily Helping you take better care of your family while also having personal freedom Low Battery Reminder Call Button  One click call for help, easy to use One call button could call multiple receivers at the same time Can be matched with the CallToU receiver Gravida Wearable alert button A receiver that immediately knows the exact location is the perfect protector for gravida Patient Alarm Medical Alert Systems for Seniors A wireless caregiver pager system that can accurately know the location of the patients seeking help Life Alert Systems for Seniors Elderly people at home can seek help without shouting Children Wearable alert button Easy to use for children. The call button is wearable and won't be thrown around by children   How to Install the Call Button Battery?   Larger Working Range   Strong Penetration   Step 1 Press the “forward”/”backward” button on the receiver to select your favorite melody. Step 2 Press and hold down the volume button,until it makes a “Ding” sound and the receiver indicator flashes. Step 3 Press the call button quickly,it will make a “Ding-Ding” sound and the receiver indicator flashes. Step 4 Press the call button again to confirm if the current ringtone is the one you set, if it is, the pairing is complete. Product information Package Dimensions 8.54 x 4.09 x 3.66 inches Item Weight 1.17 pounds Manufacturer CallToU Country of Origin China Batteries 6 12V batteries required.

Product Description 【STAY MORE INDEPENDENT AND IN CONTROL】: The CallTou caregiver pager for seniors is a wireless, long range panic button for elderly and other people who need extra care, which gives back some privacy and independence to the patient or elderly person, whilst providing peace of mind to their family members 【GET HELP QUICKLY & EFFICIENTLY】: When assistance is needed, a simple press of the caregiver call alert button sends a signal directly to the caregiver’s pager receiver. This emergency pager system is suitable for private households, as well as hospitals, nursing homes, and many other places. With a long range of up to 300ft/90m (open area), the caregiver has the option to be further away and still get alerted 【ANYONE CAN OPERATE IT】: Even with limited function in the hands, a person will be able to press the panic button alarm to ask for help. The included neck strap will ensure the elderly pager is always easily accessible. The safety call button is splash proof and can be affixed on the bathroom wall. Please note that it can’t be immersed in water so should be removed before bathing or showering 【EASY TO SET UP】: This emergency button for elderly monitoring is easy to set up, but our customer support team can also help you set it up according to your needs – precise pairing between multiple receivers and transmitters, setting a selection of 55 ringtones and adjusting volume for example 【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 Key Features Ultra low-power design, longer working hours Pager: 3*AAA Battery Transmitter: 1* 12V 23A Alkaline Battery Working voltage of Receiver:110-260V How To Change Ringtone & Pair The Pager? Step 1 Press the " forward " / " backward " button on the receiver to choose your favorite melody. Step 2 Press and hold down the volume button, until it makes a "Ding" sound and the receiver indicator flashes. Step 3 Press the call button quickly, it will makes a "Ding-Ding" sound and the receiver indicator flashes. Step 4 Press the call button again to confirm whether the receiver can sound, if yes, the pairing is completed. How To Change The Batteries? Step 1 Use the mini screwdriver to unscrew the 3 screws. Step 2 Change the battery. Designed for you Dog Doorbells Paging System Waterproof ✔ ✔ Maximum Signal Range 300 ft 720 ft Volume 5 Levels Volume — Ringtones 55 — Plug-in Receiver ✔ ✘

About this item 【 Wireless Guard 】 2 Receiver 3 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 Key Features Ultra low-power design, longer working hours Pager: 3*AAA Battery Transmitter: 1* 12V 23A Alkaline Battery Working voltage of Receiver:110-260V How To Change Ringtone & Pair The Pager? Step 1 Press the " forward " / " backward " button on the receiver to choose your favorite melody. Step 2 Press and hold down the volume button, until it makes a "Ding" sound and the receiver indicator flashes. Step 3 Press the call button quickly, it will makes a "Ding-Ding" sound and the receiver indicator flashes. Step 4 Press the call button again to confirm whether the receiver can sound, if yes, the pairing is completed. How To Change The Batteries? Step 1 Use the mini screwdriver to unscrew the 3 screws. Step 2 Change the battery. Designed for you Dog Doorbells Paging System Waterproof ✔ ✔ Maximum Signal Range 300 ft 720 ft Volume 5 Levels Volume — Ringtones 55 — Plug-in Receiver ✔ ✘

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 Emergency Call Bell Panic Buttons Monitoring Seniors

  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  

【 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

  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

  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  

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