The Kidde i9060 is a battery operated single station smoke alarm. This unit provides a level of protection that you have come to expect in a Kidde product. The Kidde i9060 is designed to alert you and your family to the dangers of smoke and fire. This smoke alarm features an ionization sensor that protects best against fast flaming and other types of fires. The i9060 is powered by a 9V battery and offers a Hush feature that temporarily silences nuisance alarms. Brand Name: Kidde Power Type: Battery-Powered Sensor Type: Ionization Product Type: Smoke Detector Packaging Type: Clamshell Test and or Reset Button: Yes Number in Package: 1 pk UL Listed: Yes Battery Size: 9-volt Batteries Included: Yes Warranty: 10 year Limited Parts and Labor Humidity Range: Up to 85% Relative Humidity (RH) Temperature Range: 40?F (4.4?C) to 100?F (37.8?C) Weight: 1 lb. Audio Alarm: 85dB at 10ft. Diameter: 5 in. Depth: 1.5 in.