-Ultra HD display with up to 3840 × 2160 resolution of input signal available. -20px ultra fine writing, and 2 mm diameter recognizable with the precision of 1 mm. -Built-in Wi-Fi realizes miracasting without any cable connection. -Built-in interactive whiteboard system allows annotating and sharing by QR code. -Looping-out display available. -Various audio and video interfaces for device access. -Built-in network switch chip saves a network switch. -Built-in Android system provides kinds of applications. -Compatible with OPS/OPS-C devices, realizing smooth switch between built-in systems. -Ultra-thin design with aluminum profile frame.