This 2 IN1 combination smoke & carbon monoxide alarm detector equipped with both photoelectric and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms. 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. Please open the windows and doors, then call your emergency service. 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.
Notes: 1.Please read the user manual thoroughly and save it for future reference. 2. This is carbon monoxide and smoke combo detector, can not detect the combustible gas (such as liquefied petroleum gas, natural gas, methane, etc.). 3.【2-in-1】Combination Smoke Alarm and Carbon Monoxide Detector 4.LCD display concentration PPM 5.High accurate electrochemical sensor and infrared photoelectric sensor 6.Easy installation, no need to debug 7. Scheduled maintenance: surface cleaning per month, specialist inspection per half-year. 8.It is strongly recommended that you test the alarm regularly to ensure the alarm is functioning normally and the battery connected correctly and in power.
Package List: 1 * Combination Smoke and Carbon Monoxide Alarm 1 * Pack of Mounting Screws 1 * User Manual(English)