Key Features: Color-coded keys facilitate quick recognition of the most frequently used buttons Stainless steel pan allows swift cleaning RS-232 interface is available to provide speedy connection to computers and printers Optional USB interface simplifies data communication Sealed keypad protects against dirt and spills Solid ABS housing Adjustable leveling feet help optimize setup Drip channels help divert spills away from the scales internal components Checkweighing with audible alarm External calibration allows for verification and adjustment with weights Internal counting resolution 1:600,000 for precise results Parts counting optimization automatically refines piece weight as parts are added Parts counting with freely selectable sample sizes Preset tare function speeds the process of repetitive weighing Product look up (PLU) memory locations store a range of items for recall Backlit display changes color for quick notification of checkweighing limits Rechargeable battery