Genuine touch & writing experience for creative projects and presentations Secure, limited onboard operation Built-in annotation tool Built-in OPS slot to expand collaboration toolkit Resolution: 3,840 × 2,160 (UHD) Brightness: 350 nit (Typ.) Multi-Touch Point: Max. 40 Points Interface (Input): HDMI (3), Audio, RS-232C, RJ45 (LAN), USB 3.0 Type A (4), USB 2.0 Type A, USB Type-C Interface (Output): Audio, Audio Optical (SPDIF), Touch USB (2), RJ45 (LAN)