Brand new item. Sent from UK Tracked for your peace of mind. Thanks FireAngel Carbon Monoxide Alarm FA3820-EU 10 yr battery Early Warning Indicator. Date on unit is 01/2037 The FireAngel FA3820 Carbon Monoxide Alarm is a reliable and trusted option for ensuring safety in your home. With a 10-year manufacturer warranty, you can have peace of mind knowing that you are protected for a long time. The alarm operates on a single battery and comes with a battery included, making it convenient and easy to use. With an operating sound rating of 90 dB, you will be alerted promptly in case of any carbon monoxide leaks. The sleek white design adds a stylish touch to your home while providing important security measures to keep you and your loved ones safe.