Compatibility: Panasonic Modular Mount Adapter w. Screw Terminals. All Toughbook models that operate on 15.6 VDC (Expanded 9 - 42 VDC input range) Rugged modular design DC to DC converter. Input / Output terminal screws are provided for connecting the In/Out cabling. User can choose the cabling for Input/Output that best suits the installation. Cabling is not included, but suggestions are made below. Flanged ends for easy mount installation. Expanded wide input voltage range of 9-42VDC.