Voice Warning LCD CO Carbon Monoxide Tester Poisoning Sensor Alarm Detector Auto

FEATURES
Human voice prompt High reliable electrochemical sensor Carbon monoxide gas concentration displaying(PPM) 3*1.5V AAA by battery (not included) Low current consumption, ultra-long standby time Low battery prompt Alarm memory function Auto detect sensor failure EN(EN 50291) standard
Specifications
Power supply
3*1.5V AAA(not included)
Sensor type
Electrochemical CO sensor
Temperature
0-50°C
Relative humidity
10-95%
Detecting level range
000-999PPM
Sensitive level
5PPM
Battery status
Low battery warming
Size
125 x 72 x 35cm
Color
White
Package Includes
1 x Carbon Monoxide Alarm2 x Screws1 x English User Manual