The ATEN VS482B Switch is an ideal solution for application requiring superior video resolution of True 4K when connecting 4 HDMI A/V sources to 2 HDMI displays. Complying with HDMI 2.0 standards, the switchs Audio Return Channel (ARC) function allows users to send audio without having to attach a separate audio cable. 1x VS482B 4Port True 4K HDMI Switch with Dual Output 1x 0AD8100526M1 Power Adapter 1x 2XRT0010G IR Remote Control Unit 1x Mounting Kit 1x User Instructions