- Sealed-in lithium battery requires no replacement over ten-year lifespan.
- Easy to install; self-activating.
- Test/reset button tests unit for proper operation and resets carbon monoxide alarm.
- Green LED flashes every 30 seconds, indicating unit is operating properly.
- Red LED light indicates dangerous carbon levels; accompanied by loud alarm pattern.
Sealed Battery Carbon Monoxide Alarm, Lithium Battery, 4.5″W x 2.75″H x 1.5″D
£69.99



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