Material: ABS
Battery: 9V DC or 110/220V DC (not included)
Alarm sound: 57993422965dB(3m)
Static current: 613723999252924A
Alarm current: 10mA
Low voltage alarm: 5.5 to 6.2V
Work temperature: -5 to +4049840C
Working humidity: 61372399933% RH
Photoelectric sensor particularly effective detecting smoldering fires
Built-in 85dB sounder and flashing red LED will indicate presence of smoke
Manual test button help to verify battery status and alarm operation
Low battery and sensitivity detection
Tamper-resistant protection