- In the Siren R2 pack: 4 bite alarms and 1 control unit
- Adjustable colour LED: Red, Blue, Green, White and Purple
- Six sensitivity settings 10mm-85mm
- Built-in screw thread for Nash hangers
- One-click mute
- 4 volume levels
- 5 different tones
- Low battery alarm
- Removable Snag Ears
- Comes with rubber compression washer for perfect alignment on buzz bars
- Supplied with PVC protective cover
- Runs on one CR2 battery (not included)