The main products include LED fluorescent tubes, LED ceiling light and LED down lights, etc. , more than ten series and hundreds of varieties.

主要产品有LED日光灯管、LED天花灯与LED筒灯等、十余个系列数百个品种。

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After walking further, we came to the side of an iron bridge, from which we could see a set of steps going down. It was already dark, and without many lights around we were unable to see where it led.

走了一会儿，来到一座铁桥边，桥的一头看到有向下的阶梯，天已很黑，又没有多少灯光，看不清是何所在。

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If you hold down a row switch, LED flashes every 2 seconds, a fast frequency level, then the fourth panel status lights will flash once.

若连续按住开关，每2秒钟LED闪烁频率会快一个级别，此时面板第四个状态指示灯会闪烁一下。

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