Home Security LCD Carbon Monoxide Poisoning Warning Alarm Detector Independent CO Gas Sensor Warning-up Alarm Detector Carbon Monoxide detector for car

Package:Alarm * 1Mounting screws * 2Manual * 1Feature:Sensitivity/Alarm Time:Within 60~90 minutes at 50ppm CO concentration;Within 10~40 minutes at 100ppm CO concentration;Within 3 minutes at 300ppm CO concentrationLCD Displayer (optional): 4 digits LCD displayerAudibility: 85dB ( at 1m distance ), Frequency 3 - 0.5KHZStandby Current: <50μAAlarm Current: <50mAStandby Mode: Green Led flashes once every 30 secondsAlarm Mode: Red Led quickly flashes 4 times with unit chirping every 5 seconds, then repeat,Low-bat Indicator: Chirp every 30s as battery lower than 3.3V with green LED flashing and Lb on LCDMal-function Indicator:Chirp every 30s with green LED out and Err on LCDPower consumption: 0.3mWSize: 10 x 4cmPowered By: 3 x AA Batteries (Not included)A perfect item for protecting your family from the dangers of carbon monoxideAdvanced level of protection, easy to read with the digital display, even in low light conditionsDisplays the level of carbon monoxide the unit is sensing