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Solar Road Stud For Tunnel In USA-Nokin Motorway Road Studs. 17/1/2020 · Wireless synchronous solar road studs are composed of two parts, one is the controller and the other is the road stud. Although each solar road studs has a solar panel, battery, control circuit, and LED, the control circuit has an additional receiving module.
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Mar 30, 2021 · Hazard and operability an...