Large cable access
Rear or surface cable entry
Loop continuity spring
Automatic synchronisation of sounder
Low current draw enables more devices on loop
Adjustable volume control (on device or from panel)
Intense strobe output
Deep and high IP base options
Pure White or Ivory body colours
Common base with detectors (B501AP)
Device protocol is backward compatible through inclusion of both SS CLIP and Advanced Protocols
32 tone selection to cover many markets (on device or from panel)