Display size: 75", LCD TFT, Bonded Glass, Resolution: 3840x2160 4K Ultra HD, Brightness (cd/m2): 400, Connection: WiFi, LAN, HDMI, DP, USB A, USB B, USB C, Micro SD Slot, VGA, RS-232, CVBS, OPS Slot (OPS PC Optional), Audio In, Audio Out, HDMI Out, Included pen: 2 (Battery-less Pen), Interactivity:, - Touch technology: Vellum™ Writing Technology, - Continuous Touch point: 20, - Touch resolution: 32768 x 32768 px, - Touch response: 10ms, - Touch accuracy 1mm, - Tracking rate 4 m/s, - Scan rate: 200 Hz, - Pen and Touch Differentiation: Yes, - Palm Erase: Yes, Palm Rejection: Yes, - Annotation over any source, - Operating system: ActivPanel OS, - RAM/Storage: 4GB/32GB, - CPU: ARM Cortex A73 x 4, GPU: ARM Mali-G71 MP3, Intel Core i3 / Integrated Graphics / DDR4 8GB / 256GB SSD/ Wifi, HDMI, VGA, DP, Audio, LAN, USB, USB TYPE-C/ WIN 11 / DAC Solution / DAC Active Board