carbon monoxide detector
.Semiconductor sensor.
Power is 9VDC,
relay out put.NO/NC.
easy fixded and operated.85db alarm.

Dimension:Φ140X41mm
Sensor:compound photoelectric and electrochemical CO sensor
LED indication

Technical parameter
Operating voltage: DC9V(6F22 battery)
Alarm density:150PPM±50PPM
Static current:≤35uA 
Alarm current:≤30mA               
Alarm LpA :≥85dB/m
Operating temperature:-10°C~+60°C
Operating humidity:below 95%RH(normal environment)