About this item
Easy to Use Plug and play, savinglation time.Just plug it into a standard power outlet at home to start,carbon monoxide alarm accurately detects and instantly reacts to CO and combustible gas levels in the air, keep your family safe.
How to test if the alarm is working 1.Plug in the power directly, the alarm will count down 180s warm-up.The green indicator is always on after preheating. 2.Press the"Self-test"button,the alarm will sound.At the same time,the green,red and yellow indicators light up,and the LCD displays"0". 3.Using lit cigarette gas to aim at the sensor position, when the device has a digital display or an audible and visual alarm, it means the carbon monoxide detector is working properly.
Notes: Do not install the alarm in dirty, greasy, or dusty places. Do not test at the exhaust or ventilation of a car, as excessive carbon monoxide emissions from the car exhaust can seriously affect the lifespan of the alarm.
What is CO? Carbon monoxide is an colorless and odorless gas that can be produced by any fuel-burning appliance.CO at high concentrations, it can endanger human life.  Vzmcov 4 in 1 Carbon monoxide detector will sound and light dual alarms when it detects a concentration exceeding the standard carbon monoxide concentration, which can quickly respond and ensure your and your family's safety.
Kind reminder If you have any questions about the functionality of our product, please follow our description for testing.Or communicate with us in advance. Vzmcov gas detector has any quality problems, you can return or get a refund within 90days. 1 year warranty, if there is any technical problem with the product, please contact with us by email, we will give you a well-done solution
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