Kidde P3010K-CO Battery-Operated Combination Carbon Monoxide and Smoke Alarm with Photoelectric Sensor
Item: Smoke and Carbon Monoxide Alarm, Detection Method: Photoelectric, Electrochemical, Interconnection Capability: No, Power Source Sealed Lithium Ion, Audible Alert: 85dB @ 10 ft., Horn, Visual Alert: Red LED, Diameter: 5", Height: 1-1/2", Digital Readout: No