Detection: Photo-electric Chamber

Sensitivity: Meet with UL217, UL268 and EN14604 standards

Heat alarm level: above 57+/- 3℃

Battery Power: 3V lithium battery

Alarm Audibility: 85dB/3m

Operation Temperature: 0℃~49℃ (32ºF~120ºF)

Relative Humidity: 10~85%

Size: 120mm diameter x 53mm depth

Current Consumption: 27uA@ standby, 120mA@ activation

Battery Life: About 3 years

Low Battery: Beep every 43 seconds approximately with yellow LED flashing

Actuation Indicator: Red LED ON, Buzzer ON

Approvals: Vds (Germany) and UL (USA)