led road stud reflector
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led road stud reflector

When installing solar studs, some users may encounter such a problem, how can the LED light bulb be installed so that it will light up and not go out? At this time, check whether the positive and negative poles of the solar panel are correct. If the positive and negative poles are connected Wrong, you can use a multimeter to measure the voltage of the solar panel to see if it is consistent.

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