EZCast allows to display content from different sources up to 4 split screens, this is the best way for you to compare different content in a meeting or class. Through the advanced host control system, only the host or administrator can control the display.
Dual Display Interfaces: HDMI/MHL
For better convenience, it also comes with Dual output interfaces for your device connection. The MHL compatible output allows you to connect with MHL2.0 enabled TV/Projector/Monitor without extra power cable.