LCD TV 75" 4K Interactive Smartboard Touch Screen Android + Windows

Android 8.0 75 inch large touch screen panel classroom smart board interactive whiteboard

Sensing Type : Infrared Touch 20 point touch 
Touch Tool : Finger , touch pen, or nay opaque object diemeter not less than 5mm (Nontransparent object)
4mm tempered Glass + Anti Glared Glass + Panel 75" 4K LG Branded Size 1737x1065x102mm
Brightness  : 350 cd/m2,  Refresh Rate  : 60 Hz, LED Backlight   

Operation system Dual Systems
Windows OS, CPU Intel Core i5 4Gb RAM + 128Gb SSD
Andriod OS, Android 8.0, 3G RAM +32Gb Rom

Connection :
USB2.0 *3 input
USB *1 output For HDMI Touch Out
Audio input PC-VGA*1
Audio output RCA*1, Analog headphones*1, AV Out*1
SD card socket *1
Internet input RJ45*1, 2.4G Wi-Fi*1
RS232*1
Video input VGA*1,HDMI*3, AV*1, YPbPr*1 
Video output AV OUT *1

Stand Bracket : Optional