Technical specification:

Operating voltage:  220V AC or 12V DC
Rated power: ≤3W (220V AC power supply)
Warm-up time: 3-5 minutes
Alarm level:  150 PPM of CO
Alarm indicator:  Corresponding Red LED flash
Malfunction indicator: Yellow LED on & Beeper long-buzz
Alarm sound: ≥70dB (within 1 meter)
Operating temperature: -10℃ to 50℃
Environmental humidity: ≤95% RH (No congelation)
Installation mode: Wall mounted
Alarm output: Relay output /sound & flash alarm
Dimension: 115*72*41mm
Execute criterion: GB15322.2-2003