Battery
Optical sensor technology
Low-pressure warning
Fixed alarm temperature 57 ℃
Implementation of standards: EN54-4;UL539

Operating voltage: 9V battery
Alarm sound pressure: 85dB/3m Department
Humidity: 5% to 95% relative humidity RH
Alarm temperature: 57℃(135°F)
Operating temperature: -10℃~+70℃
Sensitivity: 3%/m
Dimensions: Φ100*48 mm