EASY TO USE: 1 input 4 outputs, plug and play, no need external driver, safety and Eco-friendly. You just need connecting the 4K HDMI cable to your devices to enjoy your movies or games High Compability: This powered HDMI splitter support output 4K 30 HDCP V1.4, input support: computer, PS3, PS4, Xbox, Blu-ray DVD player, STB any standard HDMI version work with HD TV & monitor with HDMI port Our Hdmi splitter support extended mode like (A-BBBB), 4 screens still show the same image, but if you use laptop, you will have one external screen (laptop screen) for extended. Pls click WIN+P to set extended mode. At that time you can use your laptop for working, meanwhile show 4 same screens. Our Hdmis plitter Supported Audio: DTS-HD, Dolby-trueHD, DTS, Dolby-AC3, DSD etc. Video Format: 4K x 2K@30Hz, 3480x2160p, 3D and deep color 8/10/12 bit. NOTE: This HDMI splitter 4 port supports mirror/duplicate mode(A-AAAA), 4 screens show the same image, it can't support extended 4 different screens.1. If the resolution of the 4 monitors is different like 720P and 1080P, it automatically outputs the lower resolution 720P on 4 monitors. So 4K monitors are prefered as this splitter is 4K splitter. HDMI Splitter 1x4 distributes the input HDMI signals to 4 identical HDMI outputs simultaneously. (NOTE: This HDMI splitter just mirror the screen,not support extend, each screen will shows the same page.)Support 4K ResolutionSupport HDMI 1.4b version, HDCP 1.3.Maxinum support 3840x2160@30Hz resolution.FeatrueSupport deep color 36bitSupport Blue-Ray 24/50/60fs/HD-DVD/xvYCCMade of matel material qulickly Heat dissipationCompatible withInput Port: Supports with computer, XBox 360, XBox one, PS3, PS4 Pro, Fire Stick, Blu-Ray DVD player, Satellite Receiver, Route Roku, Chromecast, PC, Projectors etc.Output Ports: Support with HD-Ready, Full HsD TVs, Apple TV, Samsung TV, monitors, projector etc.NOTE: This HDMI splitter 4 port supports mirror/duplicate mode(A-AAAA), 4 screens show the same image, it can't support extended 4 different screens.1. If the resolution of the 4 monitors is different like 720P and 1080P, it automatically outputs the lower resolution 720P on 4 monitors. So 4K monitors are prefered as this splitter is 4K splitter.