Meross Carbon Monoxide Detector 10‑Year

This compact 2-in-1 alarm combines a photoelectric smoke sensor with an electrochemical carbon monoxide sensor to protect living spaces from both smoke and CO. It suits homes where a single, easy-to-install device is preferred and it has a built-in battery designed to reduce maintenance while delivering audible alerts for immediate awareness.

Key Points

The unit detects smoke first and then carbon monoxide if both hazards occur, so the sequence of alerts is clear and actionable. Its white, round design blends into ceilings and walls and the LED shows green in normal operation and red in an emergency. The alarm includes a test and silence button that should be used monthly according to the manufacturer, and the sound level reaches around 85dB at 3 metres to alert occupants throughout a typical home. 🔔

Installation is straightforward and does not require wiring. The detector attaches to a bracket and is automatically activated when mounted, which makes fitting possible in about five minutes for most users. Note that the battery is built-in and not removable, so the unit is intended to remain sealed for the stated service life. ⚙️

Technical Specifications

• Name: Meross Carbon Monoxide Detector, Dual Sensor Smoke and Carbon Monoxide alarm
• Sensors: Photoelectric smoke sensor, electrochemical CO sensor
• Battery: Built-in 3V CR123A, service life up to 10 years (not removable)
• Alarm level: 85dB at 3 m
• Standards: EN 14604 and EN 50291

Usage Recommendations

Place the detector on a ceiling or on a wall no more than 30 cm below the ceiling, because carbon monoxide is lighter than air and may disperse differently than smoke. For the most reliable operation press the test button monthly and replace the unit after the 10-year service life stated by the manufacturer, as the internal sensor performance may decline over time. 🚨

Be aware that photoelectric smoke sensors are generally less prone to cooking-related false alarms than ionisation types, but rapid changes in temperature or heavy dust can still affect performance. Also consider positioning units away from bathrooms and kitchens to reduce nuisance alarms while keeping them within the recommended coverage for sleeping areas and central living spaces.