ABUS Carbon Monoxide detector COWM370 CO with 7 year sensor, 85 dB loud alarm, test button & 3 battery life White

FIELD OF APPLICATION: for private households with combustion appliances (open fires, gas boilers, instantaneous water heaters, oil heaters) - ready for use at -10 to +40 degrees Celsius ALARM: An 85 decibel warning tone sounds and a red LED light flashes at low CO concentrations (from 30 ppm) that persist for a long time SAFETY: tested and certified in accordance with standard EN 50291 - 1:2018 - CO alarm with ABUS security level 7 LIFETIME: The electrochemical sensor has a service life of 7 years - after which the device must be replaced | Battery with a service life of approx. 3 years, can be replaced LED LIGHT: red, yellow or green light indicates the status of the carbon monoxide measuring device (e.g. alarm, test, battery empty, error message, normal status)