WiFi Caregiver Pager Call Button Wireless Call Bell Nurse Alert System Emergency Alert Button for Elderly Patient Seniors Disabled 1 SOS Call Button 1 Receiver(Supports 2.4GHz WiFi Only)Brand: DwyenSlo Features: Multifunctional Tuya APP Control Pager System: When the elderly patient need help, they only need to press the call button, the receiver will sound an alarm and your phone will receive a warning alert message immediately, no matter where you are, and you can go to help your loved one as soon as possible Easy to use WiFi Smart pager: The call button is portable with lanyard, It can be hung around the neck or placed in pocket;