Quick overview from the supplier:
ViewSonicIFP5541-1 + Wi-Fi Bundle, EDUCATION - Classroom Essentials, 55” 40 Multi touch, 7H, 3840x2160, 400nits, 5000:1, 8GB RAM/128GB Storage, OPS x1, Wi-Fi, HDMI-in x3, HDMI out x1, VGA x1, USB-A x5, USB-B x2,USB-C x1, SPDIF x1, Earphone x1, Audio x1, RJ45 x2, RS232 x1, Grey
