- Bi-directional communication, real-time feedback, use image and audio to show feedback signal. - Wire/wireless, gray-color, 256 true colors touch screen.- Easy to program & download the control & display content. - Special function control is ustomized. - Support internet upgrade - Easy to change the displaying color, wide visual angle. - Infrared-learning function can directly learn control command of infrared tele-control. - Mass production, high quality, great compatibility & stability. - Transparently transport data.