... parametersBasic parametersModelDLL-CX6042H-1 Size 42 in ch LCD 42 inch full new LCD screenTouch screen 42inch multi point infrared ... .06GHz)MemoryDDR3/2G HDD500GInterfaceVGA*1, ,USB*4 , Parallel *1, COM*1,PS\2 (keyboard, mouse)External port:LAN*1,USB*1power switch*2, ... Windrows 2000 \windows7\Vista\X86\LUNUX\Win77. Single-point touch, Multi-touch, hand gesture recognizable, drag, draw-line, rotate, ...