Electromechanical digital bench scale is designed for greater accuracy up to a 100 lb. (45 kg.) capacity and a USB virtual COM port. Weight Hold Key locks the weight reading when a large package blocks the display. Key functions include Hold, Tare, Units (pounds or kilograms), and Zero/On-Off. Scale operates via the included 9-volt battery as well as AC adapter and USB cable that are not included. Scale features overload protection and auto zero tracking. Internal backlit display offers 1 high LCD digits for easy visibility. Scale automatically shuts down after 4 minutes of nonuse to save on battery or electricity. Switch keyboard technology ensures reliability and longevity. Handy scale is portable with an attached handle. Sturdy design includes 22-gauge steel with a ribbed base. Platform size is 12 x 10.