Brand First Alert

Alarm Type Smoke

Batteries-Included Yes

Battery Back-Up Battery Only

Battery Life Varies According To Application

Battery Type 9V Battery

Color White

Decibel Level 85dB

Dimensions 4-3/4 In. x 6 In.

Sensor Type Ionization

Type Battery Operated

UL Listed Yes

Voltage 9V

Warranty 3-Year Limited