battery smoke detector standard for home use 

Product Description Fire alarms types of LZ-1905 •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.: ≈ 136g（include battery） • Dimensions: Ф100*36.5mm Product Parameter LZ-1905 smoke alarms Model No. LZ-1905 Standard EN14604:2005/AC:2008 Voltage DC 9V Standby current ≤10uA Alarm current ≤30mA Sensor type…