Dual Output,Work Simultaneously Support 4K Max, which is 4 times clearer than 1080P and supports simultaneously video output. when use HDMI alone, It support a large screen liquid crystal TV or display compatible with 4K max output. No Driver,Easy to Use The maximum HDMI output resolution is 3840 x 2160 @ 30 Hz The DP Display output resolution is up to 1920 x 1200 @ 30 Hz. When displaying simultaneously, both sides display 1080P resolution