• Sound and light warning: When CO levels rise, this co detector will quickly detects the toxic carbon monoxide gas, Also the sensor emits an optical and acoustic signal: loud alarm of 85 dB is accompanied by a red flashing light.
• Safe for 7 years: the CO detector is equipped with an electro-chemical sensor with a service life of 7 years. You can always check the functionality of the device with a test button. The sensor then signals itself the end of its 7 year life cycle
• Batteries included: 2 x AA batteries are included. They should last about 3 years. After you are alerted by the yellow light on the gas detector and warning sound of empty batteries, simply change the batteries for any AA alkaline batteries
• High quality and user-friendly: quick and easy wireless mounting on wall or ceiling. IP30 rated for indoor use, dimensions 12 x 8 x 3.8 cm.