Shelly BLU Door & Window Sensor - Black

ShellyBLU Door/Window (the Device) is a Bluetooth sensor designed to detect the opening and closing of a door or a window. It can also measure the angle of a inclination of a door or a window that tilts and turns. In addition, it features a light sensor.Features- Long battery life- Door/window opening and closing detection- Door/window inclination angle measurement- Illumination measurement- Beacon mode- Encrypted modeMain applications- Residential- MDU (Multi Dwelling Units - apartments, condominiums, hotels, etc.)- Light commercial (small office buildings, small retail/restaurant/gas station, etc.)- Government/municipal- University/collegeThe devices uses a 3V CR2032 battery (included)