Carbon Monoxide Alarm

Features of Carbon monoxide alarm: 1. Loud 85 decibel alarm 2. Permanent Carbon monoxide alarm sensor 3. Powered by 9V battery 4. The alarm sound pattern is four short alarm beeps. The red LED will flash while in alarm mode. 5. One "chirp" every 30 seconds is an indication that the battery is low and need replacement for the Carbon monoxide alarm. The green LED still flashes every 30 seconds or the unit is malfunctioning. 6. Alarm memory feature 7. Test/Reset button.