1、It can easily switch the two high‑definition source routes to any one high‑definition display or projector. It is also possible to distribute a high‑definition source to two high‑definition displays or projectors. 2、The HD Multimedia Interface switch box can work in two directions, helping you connect two HD Multimedia Interface sources to one HD Multimedia Interface display, or connect one HD Multimedia Interface source to switch between two displays (2 TVs cannot display at the same time. 3、4K HD Multimedia Interface switch bandwidth 10.2Gbps data transmission, can support 3D, 1080P.4Kx2K at 30hz resolution and high‑definition audio. (Please reduce the resolution to no more than 4K at 30hz when using HD Multimedia Interface 0 devices such as for PS4 Pro.) 4、The HD Multimedia Interface selector switch is easy to operate, no external power supply is needed, and everything is plug and play. Just press a button to switch between HD Multimedia Interface signals, and check its working status through 2 indicator lights. 5、The 2 ports of the switch can be used with most devices with standard HD Multimedia Interface interfaces. Input: PC, for Xbox 360, for PS3, for PS4, for Amazon Fire TV Stick, for Blu‑ray DVD, etc. Output: Full HD TV, projector, monitor, etc. 1 x HD Multimedia Interface Bi‑Direction Switcher1 x Manual Item Type: HD Multimedia Interface Bi‑Direction SwitchMaterial: Iron ShellModel: NK-Q3Colour: BlackFeatures and Specifications:2 HD Multimedia Interface-host (DVD Player or for PS3) to 1 HD Multimedia Interface Monitor or TV1 HD Multimedia Interface-host (DVDPlayer or for PS3) to 2 HD Multimedia Interface Displays or TVMaximum Operating Current: 15 mAFully Comply with HD Multimedia Interface Specifications V 1.0, V 1.1, V 1.2, V 1.3, V 1.4Main Control: Manually Select the Button to Switch Modes.With 2 Leds and Display Working Port3 HD Multimedia Interface A/F ConnectorsLed: 2 (blue), Display Working PortSupport HD Multimedia Interface 1920 x 1080p x 60 (maximum)Support Maximum Cable Length: Approx. 5m/ 16.4ft(total)Support HDCP Pass-throughCompatibility: the 2 Ports of the HD Multimedia Interface Switch Can Be Used with Most Devices with Standard HD Multimedia Interface Interfaces. Input: PC, for Xbox 360, for PS3/PS4,  fro Amazon Fire TV Stick, for Blu-ray DVD, etc. Output: Full HD TV, Projector, Monitor, etc.