"Carbon Monoxide Detector with LCD DisplayDesigned to give the earliest possible warning of dangerous carbon monoxide (CO) leaks in the surrounding air, with loud acoustic alarm signal and rapid flashing LED indication.
Advanced electrochemical CO sensor, up to 10 years lifespanDigital temperature compensation technologyLCD backlight and display for CO concentrationVery loud alarm signal: 85dbTest Button for function testSignal for low batteryFor wall or ceiling mountingEN 50291 approvedPackage Contents:1 x Carbon Monoxide Detector1 x Mounting Bracket2 x AA 1.
5V Alkaline Batteries2 x Screws2 x Anchor Plug1 x User Manual"