Portable Carbon Monoxide Detector with LED Display Alarm and Replaceable Battery

Safe and Reliable: Carbon monoxide alarm with high sensitivity electrochemical sensor, can detect carbon monoxide leaks accurately and quickly, protecting you from dangers while minimizing false alarms. Sound and light alarm: Our carbon monoxide detector will monitor the level of carbon monoxide in the air in real time. When dangerous levels of carbon monoxide are detected, the LED will flash and the buzzer will sound a continuous alarm to protect your family's life and property safety. Easy to install: Simply twist the back plate detector, screw to the wall or ceiling, insert 2 x 4.5V AA batteries (not included), put the detector on the back plate and twist into position.You can hear the low power alarm when the power is close to running out, at which point you can easily remove the alarm from the backplate to replace with new batteries. Wide monitoring range: The carbon monoxide detector can cover a wide range of areas, ensuring rapid detection of abnormalities and issuing alarms when carbon monoxide concentration changes, allowing you to respond quickly and avoid danger.