Product Feature:
• Working Voltage: DC3V built-in lithium battery (CR 123A)
• Battery life: 10 years
• Standby current: ﹤12uA
• Alarm current: ﹤35mA
• Low voltage threshold:2.7V
• Alarm mode: LED & Buzzer
• big test button for easy recommended monthly testing
• Alarm sound: ﹥85dB/3m
• product size: Φ110mm×H42mm
• Execute Criterion: EN14604:2005 AS3786:2014