First Alert CO910 Carbon Monoxide Alarm, 3 V Duct A single captive roller limits

A single captive roller limits side play for improved lateral stability

Scent: Natural Orange

Aggressive thread design increases holding power

Size: 4 oz

Nickel-metal hydride battery

First Alert CO910 Carbon Monoxide Alarm, 3 V Duct A single captive roller limitsHighlights: Color: White Volts: 3 Power Type: Battery Powered Sensor Type: Electrochemical Detects Carbon Monoxide: Yes Test and or Reset Button: Yes Indoor and Outdoor: Indoor End of life signal Alarm status LED indicator Electrochemical carbon monoxide sensor Versatile mounting options tabletop or wall Sealed lithium battery eliminates costly battery replacements UL Listed Number in Package: 1 Packaging Type: Clamshell