The Kidde P3010K-CO Combination photoelectric smoke and electrochemical carbon monoxide alarm comes with a sealed lithium battery. These two features communicate to automatically adjust the sensitivity to hazards so that annoying alarms are lessened during cooking.
Power Source: Sealed Lithium Battery
Sensor: Smoke: Photoelectric; CO: Electrochemical
Audio Alarm: 85 dB at 10 ft
Size: 5 1/4″ x 1 5/8″
Weight: 1 lb
Warranty: 10-year limited
Note: Cannot ship to Alaska, Hawaii, Puerto Rico, or Catalina.