Independent CO Alarm Sensor Carbon Monoxide Alarm Detector 85dB High Sensitive Warning LCD Photoelectric Display for Home Hotel

Product Size: 100mm*38mm

Product Weight : About 100g

Power Supply: 1.5V AA*3 Battery (Seller did not provide the battery)

Standby Current: <50uA(without LCD) ; <200uA (with LCD)

Alarm Current: <75mA

Alarm Sound: ≥85dB at 3M

Operation Ambient Condition: 5~40℃, 20~90%R.H.

Static Output: Green LED light flash every 30 seconds

Low Battery Warning: Sound "di" every 30 second, displaying "lb"

CO Sensitivity & Time: 50 ppm, alarm within 60~90 minutes; 100 ppm, alarm within 10~40 minutes; 300 ppm, alarm within 3 minutes

1. Rotate to open the back cover.  ；  2. Insert 3*AA 1.5V batteries.

3. Press button to verify properly.  ；  4. Fix the unit on the wall with screws.