Lcd Display Toxic Gas Leak Safety Honeycomb Coal Alarm Security

Specification: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: <50?AAlarm 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 LCD

Features: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 sensingGreen LED: Flashes every 30 seconds to indicate the unit is operating properly. The green LED will also flash before CO reading is taken and when any button is pressed.
Package includes:1*Carbon Monoxide Detector (without battery )2*Screws1*English manual

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.