3-Pack And Carbon Monoxide Detector Combo, 2-in-1 Dual Sensor CO & Smoke Alarm, Battery Operated Carbon Monoxide Detectors with LCD Display for Home, Easy to Install

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• 【Dual Sensor Smoke Detector & CO Alarm】Combining a photoelectric smoke detector with an electrochemical CO alarm, this 2-in-1 unit provides precise, independent smoke and carbon monoxide detection, replacing the need for two separate home safety devices.
• 【85 dB Alarm】 When smoke or CO is detected, the carbon monoxide detectors/smoke alarm emits a loud 85 dB sound, accompanied by a flashing red LED. For optimal safety, it's advisable to install multiple units in various areas, such as living rooms, bedrooms, hallways, garages, and basements.
• 【LCD Real-Time Carbon Monoxide Display】The integrated LCD shows real-time CO PPM levels, offering continuous carbon monoxide monitoring so users can act early if indoor air quality changes.
• 【Easy Installation】 Powered by 3 AA batteries, this smoke detector carbon monoxide detector is easy to install without any wiring. The fire alarms smoke detectors carbon monoxide can be quickly mounted on walls or ceilings with the included screws and brackets.
• 【Home Protection】 The carbon monoxide and smoke detectors alarm sensor employs a 360-degree intake design for comprehensive air concentration monitoring. Equipped with a long-lifespan sensor, it offers extended protection for your home. Additionally, it meets UL217 and UL2034 standards, ensuring complete peace of mind and safety for your home and family.
• 【Wide Coverage with 360° Air Intake Sensor】The 360-degree detection system provides broad monitoring, supported by a long-life sensor that meets widely recognized safety requirements—ideal for full-home smoke alarm and CO alarm coverage.