High sensitivity, high level of integration, stable performance, long life, small consumption Battery: DC9V Alarm Sound: ≥85db(3m)Static Current: Alarm Current: <10mAWork Temperature: -10~+40°CWorking Humidity: <93%RHLow Battery Alert Remain: 7~15 daysExteriorSize: 11.8X4.4cm Approval : CE QTY: 60 PCS/CTNN.W.: 6.7 kg /CTN G.W.: 10.5 kg /CTNSIZE OF CTN:56X 38.5X 26.5 CM490PCS/20' LX-SO-108A