(Salter Brecknell) Rugged steel tread plate construction with ramped ends to allow stable scale access. No assembly or installation required. Just place the scale on a hard surface, level the unit by adjusting the footpads, connect the indicator and turn power on. Weights are measured in one pound increments, accurate to within 0.1%, and are displayed on the digital indicator. Powered by 4 AAA batteries or a 110 volt plug-in adaptor, both included. Two carry handles allow you to easily move the unit to a new location. 1000# capacity scale measures 55.75" long x 20.25" wide x 2.5" high. 2000# capacity scale measures 59" long x 30" wide x 2.5" high. Optional floor stand provides stable mounting for the digital indicator. Floor stand base measures 11.5" long x 11.5" wide x 36" high.