HDMI 2 IN / 1 OUT Auto switch box - To switch over digital ... 480i,480p 720i,720p,1080i,1080p(up to 60HZ) Input: 2 x HDMI socket Output: 1 x HDMI socket DC input ... with your TV's input jack by HDMI plug cable 2.connect your devices(such as DVD player ,set top ,satellite ... with the input jack 3.atuo switch the input device by turn on/off the input device . 2 Way HDMI Auto switch box ...