This 3X3 splicer supports 1 -compatible input and 9 -compatible outputs. Its main function is to divide a complete -compatible high-definition image signal into 9 blocks and then distribute them to 9 video displays. It uses 9 -compatible high-definition video display units to form a Dynamic images big screen. Supports multiple splicing modes and cascading. Input supports 9 -compatible outputs Both input and output support 3840x2160P 30HZ, and the resolution is backward compatible Supports a of splicing, easy to operate, plug and play Support cascading of 2 machines Special operating precautions (very important): 1. The -compatible cable must use 19+1 full-pin wire. 2. Use of the screen flip function (each screen can be flipped independently): First, press the "mirror" button on the remote control, and wait until the OSD in the upper left corner of the screen displays "mirror"; second, use the number keys To operate, for example, if you want to flip the 6th screen, you press the number "6" button. After the operation is completed, remember to press the "mirror" button again to exit this operation. 3. Output port screen switching: First step, press the "location" button on the remote control, and wait for the OSD in the upper left corner of the screen to display "location"; second step, use the numeric buttons to operate, for example, you want to select the 6th To output a screen, you press the number "6" button. After the operation is completed, remember to press the "location" button again to exit this operation. Plug Type :EU Plug,it applies to Indonesia, Germany, France, , Italy and so on. Voltage: AC100-240V Colour:black Material:Metal Size:20.5x9.7x2cm Package Contents: 1 x -compatible TV Video Wall Controller Splicer 1 Supply 1 x Remote Control(2X AAA batteries not included) 1 x Instructions in Chinese and English Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.