This is the Throttlepack AC 80W from MRC.
                         Suitable for Ages 14 & Up.

FEATURES: Compatible with just about every AC powered model locomotive and
            their sounds
          Special sine-wave output circuitry provides plenty of controlled
            power
          Separate, UL Listed power supply keeps the THROTTLEPACK AC
            footprint small
          Whistle/horn & bell buttons included
          Special "Booster" button for added power when needed
          Precise, slow-speed throttle control for realistic performance
          Direction button

INCLUDES: One MRC Throttlepack AC 80W

SPECS:    Input: 120V AC 60Hz
          Output: 0-24VAC variable
          Total Output: 64VA
          Length: 8-1/2" (215.9mm)
          Width:  4-3/4" (120.65mm)
          Height: 4-1/2" (114.3mm)

                                                                     tlh 7/2/09