This Kidde 10SCO Combination Alarm provides two essential safety features in one unit, offering a space-saving and convenient solution for your home. It delivers distinct voice warnings for both smoke and carbon monoxide, accompanied by a loud 85dB alarm to clearly indicate the type of danger detected. The alarm boasts a 10-year sensor life and a 10-year manufacturer's warranty for lasting peace of mind. It is powered by 2 x AA replaceable alkaline batteries, which are included and should be replaced every 1-2 years. The easy-access front battery compartment simplifies battery replacement. Designed for versatile installation, it can be wall or ceiling mounted, making it ideal for locations where space is limited but protection is crucial. Refer to the included installation instructions for guidance. The product is CE and UKCA marked, and Kitemarked to the latest British Standards for smoke alarms (BS EN 14604:2005) and carbon monoxide alarms (BS EN 50291-1: 2018). It is suitable for BS 5839-6: 2019 Grade F2 installations. Supplied with fixings: 2 x screws and 2 x rawl plugs.