Schneider Electric Wiser smoke detector for residential applications using photoelectric technology.Wiser smoke detector detects dangerous smoke and fire and alerts the occupants of a home. When the device is connected to the Wiser system, it sends the notifications via the Wiser app. It can also trigger signals through other products (e.g. flashlights) connected to the Wiser system. The operating voltage is 3VDC, powered by a sealed lithium battery with a lifespan of 10 years. The dimensions are (W) 89.5mm x (H) 33.5mm x (D) 89.5mm. The product supports 3 functions, alarm, mute, self-test of smoke detection. This surface mount is intended for indoor installation. The fastening is done by screws. The product is intended for wall or ceiling mounting. It is compatible for an ambient temperature of 0°C to 45°C. The protection class is IP20. This smoke detector is CE (EN14604), Q-Label and NF certified. The color of the product is white (RAL 9003).