Conventional Fire Alarm Photoelectric Smoke Detector 

Product Description •1 year battery life time •DC 9V battery operated •Photoelectric chamber of early detection from all   directions. •Loud>85db(A)alarm signal(3M) •Flash alarm indicator(red LED) •Test/Hush associative button •Low Battery signal •Replaceable battery 1Y/3Y/5Y • N.W.: ≈ 124g（include battery） • Dimensions: Ф100*37mm Product Parameter Model No. LZ-1901 Standard EN14604:2005/AC:2008 Voltage DC 9V Standby current ≤10uA Alarm current ≤30mA Sensor type Photoelectric Temperature 0°C~+40°C Ambient Humidity ≤95%R.H Alarm indication Red LED & Buzzer Sound pr…