Support light sense and adjust brightness

l Use 4K Resolution panel，Support 4K UI application, 4K full channel , Feel the charm of the details of the handwriting is delicate and clear, no serrated sense

l Support in android ppt files, gesture page turning and keep the annotation state does not exit

l Support wireless presentation

l ±1.5mm High-precision multi-touch control，The writing is smooth and smooth. When the three fingers of the channel screen slide, move the channel screen down to a certain height. When the screen moves down, the channel screen content is kept touched normally .

l Support double pen writing at the same time double color display, multi-person collaboration is easier

l Open the usb permission and lock the usb port. When inserting the u disk, you need to enter a password to open the u disk

l In the standby state, HDMI / VGA / RS232 channel; network signal input intelligent wake-up

l Support one network, Android and OPS are gigabit network

l Support network sharing

l Two split screen, multi-window heavy debut, the parallel task, the scene is wider

l Eye protection, lock screen, touch lock and other gadgets