- Four distinct alarm tones, selectable with DIP-switch
- Loop-powered from control and indicating equipment
- Operates when either a dedicated activation message is received from the control and indicating equipment, or optionally when the control and indicating equipment enters the Alarm Condition
- Loud 90 dB sounder output at 1 m
- Long-life LEDs
- Low quiescent current
- Easy DIP-switch address setting
- Integrated mounting backbox