Feature: Automatically update the system Touch screen together with 5 keys operation Large, brilliant graphic display for easy reading under all lighting conditions  Dual channel (connect to two platforms simultaneously)     Weighing speaker both in English/ Chinese/Spanish Connection: Cable / Wifi network Settable label with multiple templates External interface: Audio device / Mouse / Keyboard / Light Tower / Barcode Printer / Barcode scanner / Wireless network card. Multiple application modes: Zeroing, Weighing, Counting, Tare, Accumulation, Check weighing, Stock control and so on Specification: Model JDI-800 Resolution 1/30000 Weighing Units  kg/g/lb/oz/台两/港两 Display 7 inches LCD display, Resolution 800X3(RGB)X480 Display Area 152.4(W)X91.44（H）mm Dimension(mm) 265X165X102 Power supply Rechargeable battery 6V / 4Ah or 6V / 2.5Ah adaptor External Interface  ◎RJ45 interface X1       ◎RS-232 interface X2 ◎Audio interface X2      ◎USB interface X4