Detector carbon monoxide detector buzzer, 220vac odorless gas carbon monoxide detector gas co detectors

Monoxide Detector!
This device can automatically detect interior carbon monoxide. When CO reaches a certain level, the device will give visual and audio alarm to avoid poisoning or even serious accidents resulted from CO.
Specifications:

² Power supply: 220VAC 50Hz/ 12VDC/50Hz
² Operating environment:
Temperature: -18??+40?
Humidity: =95%RH
² Storage Temperature:
Temperature: -40??+70?
Humidity: =95%RH
² Housing Material: ABS
² Cell detectable range: = 100ppm CO
² Response time: =200s
² Power consumption?=0.5W
² Audio alarm: =80dB
² Dimension?110×70×40 (mm)