The Ei 204 CO alarm is an effective way to protect against this danger. Simple to install, just unpack and connect the batteries (supplied) and the CO alarm is effective immediately. The battery powered alarm enables the customer to easily locate the detector as recommended in the user instruction booklet.

Features & Benefits: Proven sensor - based on electrochemical technology, Long life battery, Low battery warning indicator ,Loud alarm (85 dBA at 3 meters) , Power and alarm indicator lights Test/Hush & Reset Button ,Self testing , Complies with BS7860:1996

Approximate Dimensions: 3.5" W x 5" H x 2" D