General description This combination smoke and carbon monoxide alarm provides reliable detection of fire and deadly gases in your home. It features advanced optical smoke detection to minimize false alarms and a carbon monoxide sensor that alerts you with sound and voice messages. The device is designed for easy installation and maintenance, ensuring safety and peace of mind. Technical specifications Product lifespan: 10 years Powered by 2x AA alkaline batteries (included) Alarm sound level: 85dB Voice warning messages for fire and carbon monoxide detection Peak CO level memory feature CE marked and compliant with relevant standards Suitable for BS 5839-6: 2019 Grade F2 installations Compatibility and accessories Compatible with standard ceiling mounting Supplied with fixings: 2 screws and 2 rawl plugs Installation Easy front access to the battery compartment for quick replacement Designed for ceiling installation in residential environments Usage Press the hush button to silence