Shelly Door Window 2 door/window sensor Wireless Door/Window White

The Shelly door sensor detects and reports the opening and closing of door/windows, tilt angle, vibration, temperature and lux. The device uses 2 batteries type CR123A which are NOT included.Shelly Door Window 2. Connectivity technology: Wireless, Interface: WLAN, Product colour: White. Battery technology: Alkaline, Battery type: CR123A, Battery life: 18 month(s)