Check the listing for details. WiFi Smart Wireless Caregiver Pager SOS Call Button Alarm System for Elderly E1. Color: Host And 2 SOS, Condition: New, Made in China. Listed at 21.99 USD. The WiFi Smart Wireless Caregiver Pager SOS Call Button Alarm System for Elderly E1 is a reliable and convenient emergency alert system designed for the safety and well-being of elderly individuals. This system includes a Wi-Fi receiver and two SOS call buttons with lanyards, allowing users to quickly and easily call for help in the event of an emergency. The smart home integration feature allows for seamless control through the Tuya or Smart Life app, while the system also offers audible and visual alerts, as well as waterproof capabilities. With features like a panic button, GPS, and portable SOS buttons, this alarm system provides peace of mind and security for elderly individuals living independently.