... control 3)CE approved 4)Long life span Smoke Detector This smoke detector works on the principle that infrared scatters in the ... gift to friends,parents, colleagues or anybody you loved. Smoke Detector Power Source: 9V batteryQuiescent current: 6—12uA Temperature: -10 ... .(2) It is widely used in corporation, supermarket, shipping, car and house etc, especially use in kitchen, hotel, recreation ground ...