PPM Detector Warning Siren Alarm Carbon Monoxide Detector 85dB Sound with LCD Indicator

A perfect item for protecting your family from the dangers of carbon monoxide
Advanced level of protection easy to read with the digital display

CO detecter Features
Within 6090 minutes at 50ppm CO concentration
Within 1040 minutes at 100ppm CO concentration
Within 3 minutes at 300ppm CO concentration

Standby Mode Green Led flashes once every 30 seconds
Alarm Mode Red Led quickly flashes 4 times with unit chirping every 5 seconds then repeat
Lowbattery Indicator AlarmChirp every 30s as battery lower than 33V with green LED flashing and Lb on LCD
Malfunction IndicatorChirp every 30s with green LED out and Err on LCDimg srchttpsae01alicdncomkfSd9087eac05af4a22948930b51ce56b68Bjpgwidth1004ampheight68amphash1072 LCD Displayer optional 4 digits LCD
Audibility 85dB at 3m distance Frequency 3 05KHZ
Standby Current lt80?A
Alarm Current lt80mA
AoltageDC 45V
Power consumption 03mW
Size 10 x 4cm
Powered By 3 x AA Batteries Not includedimg srchttpsae01alicdncomkfSffb09dd972484955b2b3b6132bfe76590jpgwidth1000ampheight68amphash1068