Avoid the hassle of vehicle dock upgrades. Simply drop in a VDA into an existing TOUGHBOOK 31 vehicle dock from Gamber-Johnson or Havis. I/O include USB 2.0, SINGLE RF, key lock Includes removable Lite Keyboard and coil cable which can connect the Lite Keyboard to the VDA if a user wants to remove the Lite Keyboard and type on their lap Features tablet release with lock/unlock and keyboard release