Large Scale Pan Large Stainless Steel scale pan, convenient for weighing and cleaning; Insect-proof Loop Design Patented design to prevent insect entry; Extend the scale working life; Bluetooth Connectivity Bluetooth connectivity easy the integration with Portable Android Terminal RS232/USB Connection RS232/USB connection for most cash register/POS systems; Weighing Units Support different weighing units: kg, g, 500g, lb, ounce and more.