Carbon monoxide detector with replaceable battery and LED digital display, CO alarm for home safety, portable CO monitor for indoor use

Safe and reliable: the alarm High-sensitivity electrochemical carbon monoxide sensor can accurately and quickly detect carbon monoxide leaks, protecting you from danger while minimizing false alarms. Audible and visual alarm: Our carbon monoxide detector monitors the carbon monoxide level in the air in real time. When dangerous levels of carbon monoxide are detected, the LED flashes and the buzzer sounds a continuous alarm to protect your family's life and property. Easy to install: Simply rotate the backplate detector, screw it to the wall or ceiling, insert two 4.5V AA batteries (not included), place the detector on the backplate, and rotate it into position. You can hear the low-power alarm when the battery is running low, at which point you can easily remove the alarm from the back panel to replace the batteries. Wide monitoring range: The carbon monoxide detector can cover a wide range of areas, ensuring rapid anomaly detection and triggering alarms in case of changes in carbon monoxide concentration, allowing you to react quickly and avoid danger.