... Computer function, support VGA/SVGA/XGA/SXGA/VXGA Infrared Whiteboard function2. Infrared Whiteboard : finger touch, support all function of ... on the screen, touch , writing, drawing, annotation, spot light,mask, soft keyboard, medi play, record, etc. Touch ... 1Brightness:>=550cd/m2Viewing Angel: 178°Color: 1.06 billion Infrared Whiteboard Parameter Response time(ms): msResolution: 4096*4096Precision: ...