FIRST ALERT CO400 Carbon Monoxide Alarm, Battery Power Source, Electrochemical Sensor, Audible, Visual Alarm, 85 dB Tools Professional Series

Professional Series

Finish: Clear-Coated

IRWIN® Aircraft Extension Fractional Drill Bit

4 in Overall Height

FIRST ALERT CO400 Carbon Monoxide Alarm, Battery Power Source, Electrochemical Sensor, Audible, Visual Alarm, 85 dB Tools Professional SeriesFIRST ALERT Carbon Monoxide Alarm, Electrochemical Detection Method, Battery, Audible, Visual Alarm, 85 dB Sound Level, Electrochemical Sensor, Wall Mounting, White, 40 to 100 deg F, 3. 4 in Width, 1 1 2 in Height, 5 in Depth, Additional Information: Uses (1) 9 V BatteryFeatures: Alerts you to CO threats the first ALERT battery operated carbon monoxide alarm uses an advanced electrochemical CO sensor to detect elevated carbon monoxide levels, when CO