HDMI Splitter 1 In 2 Out (Same Screen) Cable Adapter Full HD 1080P Male to 2 Female 3D

Please Note:1. Only 1 output device should be active at any time unless both of the 2 display devices are the same size and model. 2. It does not work with TV box/Cable box such as Roku, Apple TV box, etc. It does not support HDCP and does not support Apple Mackbook.3. When the 1 female is plugged into the HDMI cable the other female should Not be plugged in. Otherwise it will not display properly or may not work. Directions for use:1. Connect appropriate devices to HDMI splitter cable.2. First turn on the signal source3. Turn on the first display and wait until it works properly.4. Turn on the output display and enjoy.This item is for splitting one source into two displays. It cannot receive two separate sources and switch between the two when one is off.