Watch ANY 4 HD programs simultaneously on 4 Displays! V1.3, 1080P 4 HDMI inputs, 4 HDMI outputs. Matrix allows 256 viewing combinations 1 RU mountable RS-232 control Works with HDMI or DVI-D, HDCP-enabled HDTV Supports high resolution video 480p, 720i/p, 1080i/p Clear EYETM design optimizes HDMI signal transmission Easy to switch 4 HDMI or DVI-D sources to 4 displays. Smart SCAN TM algorithm intelligently selects the correct input. Approved by Wives and Kids! Remote Control (IR) included. Discrete Code allows direct channel control. External IR Jack for extension