outdoor 1.Optical design patent 2.precise lighting control 3.brood lighting angle 4.to reach biggest energy saving effenct  Product Details:Features :Lighting configuration is reduced: Lighting angle and lighting area is big. The distance of lampposts could be enlarged, so...

Optical reflecting cover could help to reduce electricity consumption, make full use of light and save energy for the lighting. Deya Gold Star efficient energy saving optical lighting is designed as per professional optics theory and precise reflecting angle. It is also produced...

Optical reflecting cover could help to reduce electricity consumption, make full use of light and save energy for the lighting. Deya Gold Star efficient energy saving optical lighting is designed as per professional optics theory and precise reflecting angle. It is also produced...