Factory price 2019 network co leak alarm carbon monoxide detector with NC relay output

Technical specification:

Operating voltage: 220V AC or 12V DCRated power: ≤3W (220V AC power supply)Warm-up time: 3-5 minutesAlarm level: 150PPM±80PPMAlarm indicator: Corresponding Red LED flash Malfunction indicator: Yellow LED on & Beeper long-buzzAlarm sound: ≥70dB (within 1 meter)Operating temperature: -10℃ to 50℃Environmental humidity: ≤95% RH (No congelation)Installation mode: Wall mountedAlarm output: Relay output /sound & flash alarmDimension: 115*72*41mmExecute criterion: GB15322.2-2003