Two years of testing at the lakes.Will scale 25, 7" to 10" bluegills in under 20 minutes, crappie in under 15 minutes and also works well on perch.Requires only 1 1/2 to 1 3/4 of water with no splash.Powered by a 12 volt geared motor.Just place clamps on a car or boat battery.Motor attaches with one clevis pin.Light weight 15 lbs. complete22" long without motor attached and 27" with motor attached17" wide assembled and 14" tallRequires no tools to assemble for use.Parts are made from machined plastics, stainless steel aluminum and brass assembled into plastics molded tray.Easy clean up when finished.Just dump the water and fish scales from the tray after removing fish from the scaling drum - rinsing optional.Comes with 10' electrical cord and clamps assembled additional cord is available at $ .35/ft.Assembled unit in photo has been in use for 2 years.Don't like to deal with the slime on fish during and after scaling? The Fish Husker is the aswer.