How to wire GateNear Swing gate opener

Hi all, here is a slow down video to show how to wire GateNear Swing Gate Opener. We received a message from a buyer, she is a old women who said our video is a bit too fast for her to understand. So we have a slow down version now. You can find our product on Amazon
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请问你的7,8,9号是代表什么?我的没有号码.