9V battery operated;
Test button; Auto-rest after smoke dismissed;
Optical sensor;
SMT adopted; ASIC control;
Anti white light interference; Dust-proof, mothproof;
Alarm Output: Sound & Flash alarm; wireless radio signal;
Standby current: ≤10uA
Alarm Current: ≤20mA
Operating Temperature: -10℃ to +55℃
Working Humidity: less than 95%RH
Detecting Area: 20 square meters
Dimension:107mm dia * 35 mm deep