All in one solution. interactive touch/active panel, 65 & 75 inches, 4k resolution, android 6-8, 2-4g ram, 16-32 gb rom/flash, ir 20 touches, 2*15w speakers, 3 front usb ports, 3 hdmi in, 1 hdmi out, thinkview edukit software(win), mounting brackets, wifi, device mirroring. (optional-sold sepately: windows ops, features: (i3-9100 3.6ghz quad core 4 threads) or (i5-8300h 2.3ghz), 4gb ddr4, 128gssd, win10 demo)