Heiman Carbon Monoxide Detector, EN 50291 Certified, 10-Year Life CO Alarm Detector with Digital Display, 5-Year Replaceable AA Battery Included

10-Year Lifetime CO Sensor: Equipped with an advanced electrochemical sensor for stable, accurate CO detection and long-term safety performance. 85dB Alarm Our carbon monoxide detector has a loud alarm sound (approx. 85 dB). Early warning in case of CO hazard: the CO detector warns in time of carbon monoxide poisoning caused by incomplete combustion (e.g. fireplace or gas heating). Clear status overview: the CO detector carbon monoxide detector shows the operating status via 3-colour LED: green (ready), yellow (error), red (alarm). Self-test & Warning Management: With test button for function testing, automatic fault warning and battery alarm. A carbon monoxide detector with maximum operational safety. Display & Certification: The carbon monoxide detector with digital display and LED indicator is certified according to EN 50291 and provides visual and acoustic warnings. Box contents: 1 x CO detector, 2 x 1.5 V DC replaceable batteries type AA, 2 x dowels, 2 x screws, 1 x instructions (English language not guaranteed) Operating or storage temperature: -10 to +40 °C. Easy installation (can be attached to the wall or on a flat surface), Weight: 0.3417165061 Pounds, Manufacturer: HEIMAN