Firex 4480 120V AC Direct Wire with Battery Back-up
The FireX® 4480 are photoelectric smoke alarms. These units have an 85 decibel horn, test button, and lighted power/alarm LED indicators. The 4480 AC smoke alarms can be interconnected with FireX ionization as well as photoelectric smoke alarms for the best smoke detection system.
For single or multiple station use. The 4480 is 120V AC Direct Wire with Battery Back-up interconnectable with up to 12 FireX AC/DC smoke alarms and 6 FireX heat or carbon monoxide alarms for a total of not more than 18 FireX devices. This unit has two separate lighted LEDS - green power-on LED confirms constant AC power and the red LED displays alarm/battery status.
Firex 4480 User Manual