Kidde 21006407 AC, DC Wire In 120 Volt Carbon Monoxide Alarm

Wire In 120 Volt Smoke and Carbon Monoxide Alarm 85 dB Decibel Rating, 9V Battery Not Included, Wall or Ceiling Mount, Photoelectric and Electrochemical Sensor, Indicating Light, Tamper Resistant,...

Carbon Monoxide Alarms w/ Digital Display, Carbon Monoxide, ElectrochemicalFeaturesIncludes the company's patented Nighthawk™ electrochemical CO sensorTest/reset button

5-3/4 Inch Diameter, AC Wire In 120 Volt Carbon Monoxide Alarm 85 dB Decibel Rating, 9V Battery Included, Tamper Resistant, Interconnectable

2 LEDs illuminate to show you when its in alarm mode or normal mode Test/reset button allows you to immediately silence alarm Battery backup provides complete protection during power outages ...

5.6 Inch Diameter, AC, DC Wire In 120 Volt Smoke Alarm 85 dB Decibel Rating, 9V Battery Included, Wall or Ceiling Mount, Tamper Resistant, Interconnectable