Specifications
Smoke Sensitivity: 0.086 dB/m to 0.14 dB/m
Power Supply: 9V Carbon Zinc/Alkaline/Lithium Batttery
Battery Life: >12months
Low battery life: >30days
Alarm indicator: continuously emitting red light and shounder
Alarm sound level: >85dB at 10 feet (3m)
Temperature: 0℃ - 50℃
Humidity: 10%-90%RH, no condensation or icing
Dimensions (L x W x H): Ø107x35 mm