Step 3: Wait 5s, the screen will show "Paired is OK", then it will auto mirror. One receiver can be paired with up to 8 transmitters. The connection way is the same. Every new TX needs to be paired with the receiver before usingSwitch the display screen by one click the first TX's middle button, then it will be back to the blue interface. One click the second TX's middle button. It will display the second TX's content