Protective In-Use Cover.

 Other Items from GP Options and Accessories

  8121A Printer Support. - 8121A Printer Support.
  AC Adapter (Replacement) - AC Adapter (Replacement)
  Analog Output (Replaces RS-232) - Analog Output (Replaces RS-232)
  Anti-Theft Device. - Anti-Theft Device.
  Bluetooth (Factory Installed, 30' Max) - Bluetooth (Factory Installed, 30' Max)
  Protective In-Use Cover. - Protective In-Use Cover.
  Rechargeable Battery Pack - Rechargeable Battery Pack
  Underhook - Underhook