Ceiling Mounted Smoke Alarm Detector

Ceiling Mounted Smoke Alarm Detector Detecting natural gas & LPG (LPG need to customization) DSP analyses technology Low power consumption, high stability Sensor Ceiling mounted installation Direct / alternating current optional Self- test button Auto reset after disarmed Contemporary, sleek design, Patent protective Operating voltage: 12VDC / 220VAC (optional) Working current: Static≤55mA, Alarm≤95mA Alarm sound: ≥85dB (1m) Working temperature: 0℃~55℃ Working humidity: ≤95