Hardwire Smoke Alarm, with Hush®. Ionization Technology : Better at detecting fast flaming fires. 120V AC Direct-Wire ... Interconnects with up to 24 units, of, which 18 can be initiating. 9V Battery Backup (included). Continuous protection in case, of power failure. Test Button ... Tests circuitry and verifies alarm operation. Hush® Button ... Quickly silences nuisance alarms. Low Battery Indicator ... Warning chirp sounds when battery, needs replacement. Interconnectable: ANY unit that senses a problem automatically, triggers ALL units throughout, Product dimensions: 6 x 6 x 1.5 deep, Colour / Case Pack White / 6 units, Electrical Rating: 120V AC, 60Hz, 60mA, 9V Battery Backup, Wiring: Quick connect plug with 8 pigtails, Audio Alarm: 85dB, Temperature Range: 40..F (4.4..C) to 100..F (37.8..C), Humidity Range: Up to 85% relative humidity, Sensor: Ionization, Limited Warranty: 5 Year, Weight: 0.40lb
