SONOFF SNZB-04P ZigBee Wireless Door and Window Sensor, Door Opening Detector, Wireless Home Alarm, Compatible with Alexa/Google Home, SONOFF Zigbee Hub Required, Batteries Included (2 Pack)

【Door and Window Monitoring】Automatically turns on lights when a door is opened, triggers audible and visual alarms in case of unauthorized entry, and sends notifications to the app to keep you informed. 【5-Year Battery Life】Powered by a CR2477 battery, the battery life is over 5 years, eliminating the hassle of frequent battery replacements. 【Zigbee 3.0 Compatible】 Seamlessly integrates with Zigbee hubs using the Zigbee 3.0 protocol, such as SONOFF NSPanel Pro, SONOFF iHost, SONOFF ZB Bridge Pro, SONOFF ZBDongle-E, and Echo Plus 2nd...