Sometimes , Customer give us the other factory led strip light sample. Some price is very low , they want to know what is the different from good quality led strip light and what is the low quality led stirp light. In this post ,Lightstec will show you how to tell the different from each other. LIGHTSTEC LED STRIP LIGHT PCB:Double layer 2OZ copper PCB Double layer copper PCB is better for heat dissipation and lower voltage drop.For project used. Power:Our led strip light is use 151R resistance.Power … Read more