lon smoke detector Technical Data 1, 100V-240V AC input,9V spare replaceable battary 2, Inter-connecting(24 alarms maximum) 3, Special protection design of wiring module 4, Convenient installation 5, Light labyrinth 6, CMOS design 7, Best adaptability with environment 8, Manual test 9, High stability 10, High Density SMT Design 11, Unique structure with dustproof,anti-fly,anti-light design 12, Auto reset function SPECIFICATION Power Input: DC12V DC 9V(Battery) Power consumption: ≤1W Operating Temperature: -10°C to +50°C Operating Humidity: ≤95% RH Alarm Output: soundalarm Sensitivity: ⅠorⅡlevel remark: CE certificate