One alarm protects against two deadly threats, smoke & carbon monoxide. Ideal for living areas, bedrooms & stairways Advanced photoelectric (optical) technology
- smoke reverse entry system patented Advanced electrochemical technology for better CO detection Easy alarm identification with 2 different alarms & indicator lights Battery drawer for easy & safe replacement Test & silence button Smoke sensing chamber with anti-dust coating & mesh against insect intrusion Low battery signal for minimum of 30 days 9V battery & fixings included Loud 85 d B alarm