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SPECIFACATIONBattery: DC9V or AC110V,220VAlarm Sound: >85db(3m)Static Current: <10 µAAlarm Current: <10mALow Voltage Alarm: 7V±0.5VWork Temperature: -5~+40degrees Working Humidity: <93%RHLow Battery Alert Remain: 7~15 days
Saip Brand Smoke Alarm SP-98B