Premium · Carbon monoxide alarm

Ei Electronics Ei208iW (radio-ready)

≈ €60–70

Our addition: not on the official lists

Buy at Amazon

Sealed 10-year battery. With the Ei200MRF radio module it links to Ei650iW smoke alarms, so CO in one room sets off every alarm.

Key specs

Interlinks with Ei650iW smoke alarms once the Ei200MRF module is fitted.

Power

Sealed 10-yr lithium

Why we picked it

One system for smoke and CO.

Trade-offs

Radio module Ei200MRF sold separately; UK equivalent is the Aico Ei208WRF.

Brand

Ireland (Ei Electronics)

Where to buy

Amazon

Part of L1: 72-hour emergency kit.

Some links are affiliate links. No sponsored placements. Prices are approximate. Reviewed 19 October 2026.