Deta 1139 CO Alarm Battery Powered 10 Year

Features

Detects dangerous levels of Carbon Monoxide, making it ideal for installation in all rooms with fuel burning appliances

Incorporates electromechanical long life 10-year sensor and sealed long life lithium battery

LCD screen shows Carbon Monoxide ppm (parts per million)

Test / Silence button

Includes an end of life indicator

Freestand or can be mounted to the wall

5-year guarantee