First Alert 1039741 Battery Electrochemical Carbon Monoxide Alarm 2 Pack New
First Alert 1039741 Battery Electrochemical Carbon Monoxide Alarm, Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room.The alarm sequence should last 5-6 seconds. If it does not alarm, make sure fresh batteries are correctly installed, and test it again. If the unit still does not alarm, replace it immediately
First Alert Battery Electrochemical Carbon Monoxide Alarm 2 PACK. NEW
First Alert Battery Electrochemical Carbon Monoxide Alarm 2 PACK. NEW
First Alert 1039741 CO400 Battery Operated Electrochemical Carbon Monoxide Alarm
Simply insert the included 9-volt battery and the carbon monoxide detector is ready to go. Sensor Type: Electrochemical. Product Type: Carbon Monoxide Detector. CO ALARM 2PK. Test and or Reset Button: Yes.