The unit is very user friendly and is suitable for low height lifting. The built-in scale allows you to weigh your load while it is being handled. The scale is selectable in a variety of increments to adjust to the size of your load. It has keyboard calibration and functional setup with automatic zero capabilities. Digital filtering is used to help compensate for vibration and motion to make the pallet truck with digital scale smooth and accurate. The scale is powered by batteries with AC adapter included.