Product Description 2 Receivers 3 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 Product Dimensions 6.81 x 3.15 x 3.15 inches Item Weight 13.7 ounces Manufacturer CallToU Item model number CC20 3-2 Batteries 5 Lithium Ion batteries required. (included)