Smartwares CO detector 10 year battery LED display & indicator Test button FGA 13091

Electrochemical detection: Protects against odourless carbon monoxide from combustion appliances, powered by an internal sensor designed for a 10-year operating lifespan Pre-installed power supply: Runs on an included CR123A lithium battery engineered to deliver reliable operation for up to 10 years without intermediate replacements Digital concentration screen: Shows real-time carbon monoxide levels in the room alongside an indicator light that signals normal operation, faults or low remaining power Loud acoustic siren: Emits an immediate 85 dB warning tone when elevated toxic gas levels are measured, complemented by a front-mounted monthly test button Included mounting hardware: Installs on walls near boilers, heaters or living spaces using the supplied fixings, with an 8.65 x 8.65 x 3.05 cm housing