Brand First Alert

Alarm Type Smoke & Carbon Monoxide

Batteries-Included Yes

Battery Back-Up Battery Only

Battery Life Varies According To Application

Battery Type AA Battery

Color White

Decibel Level 85dB

Dimensions 5.67 In. W. x 1 In. H. x 5.67 In. L.

Sensor Type Photoelectric

Type Battery Operated

UL Listed No

Voltage 3V

Warranty 7-Year Limited