Intey HDMI Bi-Direction 3 Ports Switch/ Converter 2 Out 1 In Or 1 Out 2 In Not Need Power , 1 Button 3 Ports Passthrough Supports 3D, 1080P, 4k x 2k(Black) It can easily switch two routes of HD Source to any one HD display or projector. Also it can distribute one HD Source to two HD Display or projector. Full compliance with the HDMI Specification V1.0,V1.1,V1.2,V1.3 Press of a button this switches between your devices saving your time and sanity. Easy install & operation, support HDMI Plug & Play. No power needed What you get: Three months money back/ replacement guarantee, and one year warranty.