ViewSonic IFP5550-5, EDUCATION - Dual-Pen Interactivity, 55" 20 Points Ultra-Fine Touch,7H Tempered Glass (AG),3840x2160,350nits,1200:1,32GB Storage, 3GB RAM ,VGAx1,HDMI inx3,HDMI outx1,SPDIFx1,Earphonex1,USBx7(front x3, rear x4),RJ45x1,RS232x1,10Wx2