Kidde Battery Ionization Smoke Alarm w/ Smart Hush

Kidde Ionization Smoke Alarms provide early warning and operate on a 9V battery that provides continuous protection, even during a power outage. No wiring required. UL Listed. Power Source: 9V Battery (Included) Sensor: Ionization Audio Alarm: 85dB at 10 ft Temperature Range: 40°F to 100°F Humidity Range: 5%-95% relative humidity Size: 5" Diameter x 1.5" Depth Weight: 1 lb Interconnect: No LED: Red, Normal Digital Display: No Warranty: 5 year limited Hush button, Hush cancel and low battery indicator