Modeltpcs-da Processorintel celeron processor n3160(1.6-2.24ghz) System memoryddr3l-4g ram Storage device64g ssd Power supply60w (12v/5a) external power adaptor Os supportwin7, win8, win10, android, ubuntu, linux system Scale----v30 Weighing capacity(max.)6/15kg Division value2/5 g Accuracy classiii Tare (max.)-5.998kg Working temperature0~40â°c Workind humidity5~85% Interfacers232 Power inputdc 5v/ 1a external power adaptor Touch lcd display Main display15" touch screen tft lcd (led backlight) "customer display "12.1" non-touch screen (led backlight) "customer 2nd display "n/a Resolution1024 x 768 Touch10 point capacitive touch I/o ports Usb port8 x external ( back: 4 x 3.0 / 2 x 2.0, side: 2 x 2.0 ) Lan port10/100/1000m lan Audio port2 x line out Video port2 x lvds, 1 x hdmi Dc input1 x 12v dc jack 2.0 mm Serial port2 x rs232 Printer port1 x bi-directional parallel port Keyboard 1 x ps/2 Built-in device Built-in printer58mm thermal receipt printer Built-in keyboardn/a Barcode scannerqr (2d)barcode scanner