The units have been designed to either be wall mounted or left portable so you can take them on holiday for protection on the go. They're also suitable for caravans, motor caravans and boats Suitable for homes in England and Wales, including rented properties. Not suitable for Scottish homes under the new regulations NEW VERSION - Meross Carbon Monoxide alarm can be wall mounted or free standing. The new model has added the temperature display function, but the purpose is to test the approximate temperature around the alarm. Please do not use it as a reference for indoor temperature！

Pressing the large test button in the event of a low battery warning will activate our sleep easy feature which silences the low battery chirp for 8 hours The FA3313 detector holds a CE & UKCA mark and has been designed to conform to the standards - BS EN 50291-1: 2008 and EN 50291-2: 2019 Each device is supplied with 2 x AA batteries, which can be replaced as required when the alarms provide the low battery warning sound LCD DIGITAL DISPLAY & HIGH SENSITIVITY - Clearly displays the battery life and the real-time harmful gas - CO levels taken from the surrounding; The CO detector can respond to various CO threshold levels, with the detecting level range: 20-999PPM. CO detector loud 85 dB alarm at 3 feet to ensure the safety of you and family.

As well as being calibrated and rigorously tested in-house the alarms have been third party approved through the British Standards Institute (BSI) and are Kitemark certified