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 mode Main applications • Residential • MDU (Multi Dwelling Units - apartments, condominiums, hotels, etc.) • Light commercial (small office buildings, small retail/restaurant/gas station, etc.) • Government/municipal • University/college The devices uses a 3V CR2032 battery ...