Shelly BLU Door & Window Sensor - White

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)