Used to connect 3 kinds of HDMI output device with HDMI playing device, Selected' button can switch the HDMI signal source freely, convenient compatible with you to enjoy several HDMI experienceIf you want to watch TV, you can switch to the DVD, if you want to play games, switch to the XBOX, etc. switch button on the device can realize the switch functionNo external power supply neededSupport most of HDTV compatible withmats including 4K*2K, support 3D videoCompatible with HDMI2.0b, HDMI1.4a, CTS 1.4a, DVI1.0 versionsItem Type: HDMI SwitcherBandwidth: 2.97GbpsPower: 0.2WPower Source: NoneWorking Temperature: 0 Celsius -40 Celsius colour: Black + yellowMaterial: PC+ metalPackage Contents: 1* HDMI SwitcherOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.