EI Carbon Monoxide Alarm Save £4 Free C+C

Nice Discount EI Carbon Monoxide Alarm Designed to protect you and your loved ones from the dangers of otherwise undetectable Carbon Monoxide gas. This tamperproof Carbon Monoxide Alarm is a battery powered system, enabling it to continue monitoring CO levels even in the event of a power cut. Requires 3 x AA batteries and comes with a testing and silencer button for your peace of mind. The 204EN CO alarm uses a proven electrochemical cell type sensor which checks CO concentration every 50 seconds. All units are individually calibrated and tested in CO gas in order to ensure accuracy. 3x AA batteries included. Instructions Enclosed. No wiring required Requires 3x 1. 5V AA batteries, included. Instructions enclosed.