求翻译：你好，如果是内控护栏管的话，不需要控制器，如果是外控护栏管才需要配控制器，你可以到灯饰市场购买标准的DMX512控制器控制外控护栏管是什么意思？

Hello, if the internal control guardrail, no controller, if it is outside the control of guardrail before with controller, you can go to the lighting market to buy a standard controller dmx512 control external control guardrail

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You are good, if is controls from the inside the guard rail tube, does not need the controller, if is outside controls the guard rail tube only then to need to match the controller, you may arrive the decorative lighting market purchase standard outside the DMX512 controller control to control the g

Hello, if it is inner guardrail tube, without controller, if it is needed only external control guardrail tube controller, you can go to the lighting market to purchase standard DMX512 controller controlled guardrail tube

正在翻译，请等待...