Carbon Monoxide Alarm 3 Pack, Carbon Monoxide Detector with PPM Digital Display for Home Safety, CO Detector alarms Replaceable Batteries Powered (Batteries NOT Included)

• High Accuracy CO Alarm for Home & Travel – Equipped with a professional electrochemical sensor, this carbon monoxide detector ensures accurate monitoring of dangerous CO leaks. Suitable for homes, RVs and camping use.
• Clear LCD Display & Red Warning Display – The digital screen shows real-time CO concentration (000–999ppm), with clear red numbers disply& red light flash and an 85dB loud alarm triggering when dangerous levels (≥50ppm) are detected, giving immediate alerts and ensuring you and your family stay alert.
• Intuitive LED Indicators: This CO alarm features 4 LED lights for clear status updates.Green (Power): Normal operation (flashes every 60s); low battery (flashes every 60s with beep).Red (Alarm): CO detected (red display + alarm sound).Yellow (Malfunction): Malfunction warning (flashing yellow).Yellow (Lifespan): End of life, replace unit.
• Easy Installation & Battery Powered – 3 Pack Carbon Monoxide Detectors packed in the package. Runs on 2×1.5V AA batteries (not included). Simple to mount on walls/ceilings with screws, or place on any flat surface. No wiring required and keeps working during power outages.
• How to Use – Powered by 2×1.5V batteries (not included). Once installed, the unit turns on automatically, runs a 60-second countdown, then enters working mode. The PPM value is always visible, and when idle, the display dims while the green LED flashes every 60 seconds to show normal operation.

Carbon Monoxide Detector