Schneider Electric Wiser Smoke Alarm for residential applications using photoelectric technology." "Wiser Smoke Alarms detects hazardous smoke and fire and provides warning to occupants in a home." "When connected to the Wiser system, the device sends the notifications via the Wiser app. It can also trigger signals through other products (for example, flashlights) connected to the Wiser system." "The product supports 3 functions, alarm, hush function, self test of smoke detection." "This surface device mounting is dedicated to indoor installation. The fixing mode is by screws. The product is designed for wall or ceiling mounting." "The operating voltage is 3VDC, powered by a sealed-in lithium battery with a 10-year lifetime." "The dimensions are (W) 89.5mm x (H) 33.5mm x (D) 89.5mm." "The color of the product is white (RAL 9003)." "It is compatible for ambient air temperature for operation between 0C to 45C. The degree of protection is IP20." "This Smoke Alarm is CE (EN14604), Q-Label and NF certified .