1.Conform to EN50291
2.Sound above 85dB at 1M
3.Alarm sensitivity: 100+-50ppm
4.10 years product life

·Power:  AC110~240V/50Hz,60Hz
·Mounting: Accessories supplied for wall mounting.
·Alarm volume :  ≥85db(A) at 1m
·CO alarm pattern:  BI 0.5s--pause 0.5s, with corresponding red LED flash. repeat this pattern
·Self-detection function
·Operating Temperature : 0°C ~ 50°C
·Ambient Humidity : 10%~ 90% RH
·Sensor : semiconductor CO sensor
·Test/Reset Button
·Power Consumption : ≤4 W
·Type of gas be detected : Carbon monoxide
·Alarm sensitivity: 100±50ppm
·Quomodo of power supply input:AC power input line
·Packing size:125mm x 110mm x 55mm 
·Weight:0.35kg