Features: For various H-DMI devices, H-DMI switcher 3 ports can work with most devices with standard interface. Input: PC, Laptops, for 360. The switcher has the key-press-switching function, you can push the button to change what port you want to use. It is necessity for entertainment or work in bedding room, living room, backyard,trade show, office and conference. High-performances conversion chip ensures superior signal transfer, and support up to 4K. Plug and for play, easy to intall, no additional software or driver needed. Specifications: Material: ABS weight:92g/0.2lb Size: Approx 54X8X2cm/21.26X3.15X0.78in Switch Type:Push Button Switch Operation Mode: Press the button switch to another input source Circuit Type: 3-way Connector Type: Plug in Package Includes: 1 Piece Switcher 1 Piece Output Cable 1 Piece User Manual note: For some devices, the HDMI-compatible switch may not work(lose signal) when only one input device is power on due to insufficient power. In this for case, please turn on two or all the three source devices to try. Thank you Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.