This digital shipping scale has a large, easy-to-read digital display and can be wall or surface mounted for the best view in your environment. This unit powers off after 2 minutes of non-use, saving energy. It uses either an AC adapter (included) or 4-AAA batteries (not included). This digital scale makes shipping and receiving operations seamless. Rugged low profile steel platform has a 6’L coiled cord and large keys for tare/hold, units, on and off buttons. Weight capacity is 400 lbs/181 kgs.