タイトルまたは説明

Product superiority: Patent circuit Design and Patent for light diffuser trapezoidalled panel Uniformity light diffuser effect Long distance for the light cast Use constant voltage source or the constant current source driver to protect the led lamp So the service life of product is longer than use normal source power. Low temperature increase when work Self protect for the low voltage and short current Warantee:3 years Application: High way, Square, Road or work with solar panel system etc.