Carbon Monoxide DetectorsReplaceable Battery Operated Household CO Detector

• High-sensitivity sensor: Best carbon monoxide alarm for real-time monitoring and accurate alarm. It is a must-have for old residential areas, families using gas water heaters/coal stoves, newly renovated houses
• 3-mode reminder: The portable carbon monoxide detector digital has a large screen display + LED flashing + car horn-like sound alarm, which is an excellent travel carbon monoxide detector for hotel room. Even in sleep, you can be awakened by the alarm sound
• Easy installation & battery-powered: Battery-powered carbon monoxide detectors do not require wiring and are ready to use, suitable for homes, apartments, offices, RVs and other scenarios
• Auto Self-Test - Weekly checks & low-battery alerts: When the yellow indicator light of the co detector flashes, you need to replace the battery, and this process repeats every 60 seconds
• 365-Day Limited Warranty: CCCF fire certification, Uninterrupted 24/7 protection. Comes with instruction manual to ensure correct use. Please note the color change of the indicator light.

What's in the box
1 X Detector