Keep your home safe and your family protected with this reliable FireAngle Digital Carbon Monoxide Alarm, with a long lasting 7-year battery life. Carbon monoxide is a dangerous odourless and colourless gas. This Fire Angel alarm effectively detects carbon monoxide and releases a loud 85dB warning siren to help you stay safe at home or on holiday. It can be regularly tested with the test/reset button, and the li-ion power pack means it will keep running for seven years, so there's no need to replace the batteries. Features and Benefits Up to 7-year battery life - Thanks to the efficient electronic design batteries can last up to 7 years for fewer battery changes and better reliability. Digital display - The functional digital display includes a digital thermometer as an added feature. Mobile design - Thanks to the mobile design, you can take this device on holiday with you to use in apartments, caravans and awnings. Specification 85dB alarm sound level at a 1m distance Up to 7-year battery life Digital thermometer Self-diagnostic check for sensor and battery Suitable for use in houses, caravans and motorhomes Where can I use this product?