Dock mount for Mesa Rugged Notepad. May be attached to RAM-Mount 2.5 inch ball accessories or to desktop base, sold separately. Mesa attaches to dock in landscape format. Includes: 12VDC power port, one USB Client port (Mini-B), RJ-45 ethernet 10/100T port. Dock is designed to be used with Mesa Wall Charger or Vehicle Charger Cable. Ports require external power to be applied. Includes safety locking screw for use in vehicle.