With this Nedis HDMI 1 to 2 splitter you can play movies, give presentations, show pictures, play videogames or duplicate other content from an HDMI supported device on 2 other monitors, TVs or other HDMI supportive screens simultaneously. The HDMI splitter boosts the signal, which allows you to use longer cables without signal degradation. 4K@30Hz and 3D And while this splitter supports up to 4K@30Hz resolution, the resolution shown is the resolution of the output device. So, if the output device only has a resolution of Full HD (1080p), and the second screen has a 4K resolution, the 1080p resolution will be shown. The same goes for 3D images and videos. Plug and Play With its simple plug and play installation it is easy to set it up and to operate. Simply connect your primary HDMI device to a maximum of two other HDMI supportive screens. Please note that the screen content is duplicated and not extended. Broad Compatibility Beause this splitter supports 4K@30Hz, 3D and HDMI 1.2 / 1.3 / 1.4, it is compatible with a lot of different screens and devices. For example, duplicate screens from devices with a HDMI input: Computer, XBox 360, XBox one, PS3, PS4 Pro, Fire Stick, Blu Ray DVD player, Satellite Receiver, Route Roku, Chromecast, PC, Projectors etc. Output: HD Ready, Full HsD TVs, Apple TV, Samsung TV, monitors etc. Power Adapter An external power adapter is included with this Nedis HDMI splitter, with this external adapter you don" t have to depend on the power of the HDMI devices. Doesn" t support Doesn" t support ultra HD 4K@60Hz (3840 x 2160), meaning it transmits 60 images per second, devices that support HDR (High Dynamic Range) and doesn" t support ARC (Audio Return Channel).