weelye rx33 12v control box receiver mainboard Please pay attention to the red sockets. There are distinctions between single-sided and four-sided ones. They are not universal. This one is single-sided After replacing the new control box, the remote control needs to be re-matched. Refer to the instructions on the back of the remote control. If you forget how to match it, you can contact us through Amazon and we will provide you with more professional suggestions