The 2Pcs Smart WiFi Door & Window Sensor by Sekyo is a wireless window sensor that is compatible with Alexa. It includes both a window sensor and a door sensor, with each sensor requiring a separate battery (not included). The model is designed to trigger a 100db alarm if any suspicious activity is detected, making it an essential part of any home security system. The sensors are easy to install and provide reliable monitoring for your home, giving you peace of mind and protection against potential intruders.
eBay