FireAngel FA3820 10 Year Sealed Battery Alarm Carbon Monoxide, Clear

FireAngel design their CO detectors in-house and rigorously test them to ensure the highest standard of protection for your family and home. They're also third part certified tested and Kitemark Approved by BSI. Carbon monoxide cannot be smelt tasted or seen and can be deadly - the only way to be alerted to CO is with an audible CO alarm.