Because the embedded type solar energy spike great cardboard traffic signs damage on the pavement, and capacitance type solar energy spike cost is too high, so most of the current application or convex type battery solar spike.
The daytime solar panels absorb sunlight, converts solar energy into electric energy, stored in the energy storage device (a battery or capacitor),flashing traffic baton in the evening, energy storage devices in the electric energy into light (automatic control through photoelectric switch), to draw the outline of road profile by LED light, induced by the sight of the driver.
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