Smoke Alarm Battery: DC9V or AC110V,220V
Fire Alarm Sound: ≥85db(3m)
Static Current: ＜12 µA
Alarm Current: 15mA
Low Voltage Alarm: 5.5V~6.2V
Work Temperature: -5~+40℃
Working Humidity: ＜95%RH
Low Battery Alert Remain: 7~15 days