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Carbon monoxide Alarm - When the unit detects the carbon monoxide gas concentrations more than 100 PPM,it will alarm,and the buzzer will make sound "di" four times at every 5 seconds,the red light flashes,and continue alarming.
Fire Detector - When the unit detects the smoke concentration over than 0.1%db/m,it will alarm,the blue light flashes rapidly and the buzzer continue alarming.
Power supply: 3*1.5v AA battery
Alarm voice: Light/sound prompt
Sensor: electrochemical carbon monoxide sensor and Infrared photoelectric sensor
Carbon monoxide sensor detect concentration: 000-999 PPM
Smoke sensor sensitive: 0.1%db/m-9.9%db/m
Alarm indication: LCD display, Light/sound prompt
Battery capacity: low battery alarm
Sources of CO in our homes include fuel-burning appliances and devices such as:
Clothes dryers,Water heaters,Furnaces or boilers,Fireplaces, both gas and wood burning,Gas stoves and ovens,Motor vehicles,Grills, generators, power tools, lawn equipment,Wood stoves,Tobacco smoke
1 * Combination Smoke and Carbon Monoxide Alarm
1 * Pack of Mounting Screws
1 * User Manual(English)