Function: This product can operate as a signal router,you may have a TV in two separate rooms,you can have a TV on in one room and when you want to switch room and keep watching the TV,you just need to switch one TV off and switch the other TV on,and then the signal is routed to the TV in the other room.NOTE: Mirroring/duplication only, does not extend monitor and switcher mode or switch screens between multiple devices! | Ideal for connecting one HDMI compatible device (Such as, hd - dvd, blue - ray dvd, Xbox, xbox360, ps3, stb, HD TV )to two visual output devises (such as, HDTV, Monitor, etc.).Package Include: 1 x HDMI Male to 2 HDMI Female 1 in 2 out Splitter Cable ; Length: 11.8 inch (30 cm); Weight: 52.00g.- ONLY 1 output device should be active at any time UNLESS both TVs are of the same Model Size ,then both TV will show the images when connected. | Our HDMI splitter is easy to set up and operate. Plug and play without pre installing drivers. Just connect your HDMI device and enjoy it. Allows connection to HDMI devices with built-in HDMI ports, Like HDTV.HD, LED, LCD, TV. High definition resolution for simultaneous transmission of video and audio. Suitable for multiple scenarios | Gold_plated connectors for better signal transfer.Allow to connect HDMI devices that have Build-in HDMI ports, like HDTV, PlayStation 3, Upconvertor DVD Player, LCD Monitor and projectors.This product has specific requirements when you use it. Therefore, be sure to read the detailed description before purchasing this product. If the product does not meet your needs, please purchase with caution.Only one output device can be active at any time. Unless the two televisions have the same size. Does not support hdcp and MacBook. Will not work on TV Box/Cable Box (e.g. Roku, Apple TV Box, etc.) | The product requires two TVs or display devices with the exact same model and brand to simultaneously display videos. If the models of the two TVs or display devices are different, they will be incompatible The product cannot achieve the function of simultaneously displaying on two screens, it can only eliminate the need to repeatedly plug and unplug HDMI cables. However, this may not be the original intention of the buyer's purchase.