HandiCal internal calibration for fact and accurate readings. Three point ShockProtect protection designed for the ultimate in performance readability. ABS plastic with stainless steel platform. 6 digit, 0.6" backlit LCD display. Left and right tare keys. Applications include weighing, percent weighing, arts counting, totalization/accumulation. Audible overload indicator. Lock down mounting slot for Kensington type lock and cable. Internal rechargeable battery with auto power off and low battery indicator. Capacity tracker. Removable draft shield. USB and RS-232 bidirectional interface included for easy connection to computers and printers. 12VDC 800mA adapter.