Features: The HDTV splitter 1 in 2 out distributes one signal to two displays, This means the same picture can be viewed in different screen. No lags, flickering or loss of resolution, so you can enjoy impressive presentations. This HDTV splitter for Double monitors cannot be used for PC to extended monitors, only for mirroring Modes. HDTV splitter for Double monitors up to 4k@30hz. This HDTV splitter is also backward for 1080p@60hz, 3840x2160p, 720p. In order to make visual experience, recommended to set both outputs to the same resolution and refreshing rate. HDTV Splitter is easy to use, you only need Plug and Play. no external driver required. Specifications: Component:ABS Size:Approx.5.5x7cm/2.17x2.76inch Package Includes: 1Pc HDTV Switcher note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.