Shelly BLU Door/Window Bluetooth Door & Window Sensor with LUX and Tilt Angle Measurement, CR2032 Battery Included, Up to 5-Year Battery Life,...

Detects and reports door or window opening and closing immediately to trigger home automation scenarios and scenes. Built-in LUX and tilt angle measurement sensors help monitor light levels and the inclination angle of tilt-and-turn doors or windows. Bluetooth-operated sensor with less than 100 ms reaction time, designed for quick response, easy inclusion, and long battery life. Includes 1 x 3 V CR2032 battery with up to 5 years of battery life, depending on daily usage. Compact black sensor for doors, windows, safety gates, garage doors, and more; can be discreetly installed to blend with your interior. Supports Shelly Smart Control app, BTHome protocol, and various platforms; *To use this device with the Shelly Smart Control app, a gateway is necessary. Compatible gateways are Shelly BLU Gateway, or any Shelly Plus, Pro or Gen3 device (excluding sensors).