Main Features

● Photoelectric sensing technology

● Easy installation and maintenance

● Battery case at the back of a sensor for easy removal of a battery

● Sleek low-profile housing design

● Low-battery warning

● Test button verifies battery and alarm operation

● Sounding a loud alarm signal of exceeding 85 dB in alarm mode

● Five-year limited warranty

Specifications

Smoke Sensitivity: 0.01 dB/m to 0.02dB/m

Power Supply: 9V Carbon Zinc/Alkaline/Lithium Batttery

Battery Life: >12months

Low battery life: >30days

Alarm indicator: continuously emitting red light and shounder

Temperature: 0℃ - 50℃

Humidity: 10%-90%RH, no condensation or icing

Dimensions (L x W x H): ?107x35 mm