It is based on the principle of photovoltaic conversion. The solar cells convert sunlight into electric power
stored in sealed lead-acid battery in the daytime. When positioned at intervals along a curved roadway, the
LED directional arrow sign effectively improves driver
visibility and enhances driver safety at night, in rain, and
in fog. No further maintenance is necessary.
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Trade Leads Directory -> All Trade Leads -> Transportation -> Roadway Safety -> Solar traffic sign
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