＃Power source:1、DC9V 2、AC220V 3、DC9V&AC220V
＃stand by current<6uA, alarm current<10mA
＃working way is selectable: ionization or photoelectric
＃Alarm sound:≥85db
＃Working temperature: -10Cº」50 Cº
＃Low Battery Alert 7 days
＃Packing Size:61×29.5×44cm(120pcs)
＃G.W./N.W.:10/6.5KG
