120V AC Talking Smoke and Carbon Monoxide Alarm

120V AC Talking Smoke and Carbon Monoxide Alarm
Intelligent Sensor Technology and Voice Warning 
120V direct wire with Hush/Test Button 
Front Door Loading Battery Door - 2 AA Battery back Up
Power Source: 120??V AC, 60?Hz 45?mA max per alarm, 2 AA battery backup
Smoke Sensor: Ionization
Co Sensor: Electrochemical
Audio Alarm: 85dB at 10ft
Temperature Range: 4.4?C (40?F) to 37.8?C (100?F)
Humidity Range: 10%-95% relative humidity, non-condensing
Size: 12.3?cm in diameter x 3.2?cm depth
Weight: 0.2 kg
Wiring: Quick connect plug with 15.2 cm (6”) pigtails
Interconnects: Up to 24 Kidde devices (of which 18 can be initiating)
Warranty: 10-year limited