The detector is suitable for detecting smoke and fire in home, shop, office, school, bank, library, business facilities, store, etc.Feature:Stable and reliable, high sensitivity, using special design of photosensitive sensor, patch processing technology productionEffective detection of smoke during or after the initial flame retardant stage of a fireEnvironmental protection material. PVC highly environmentally friendly materials, high temperature resistance and non-combustibleHigh decibel loudspeaker, long working life, double sensitivity, 6s alarmFire protection equipment only, suitable for all kinds of placesSpecifications:Static current: Less Than 10 μAAlarm current: Less Than 10mAAlarm volume: More Than 85dBWorking temperature: - 10 ~ 50℃Relative humidity: Less Than 95%RH