What is the difference between LED light source and ordinary energy-saving light source? Is it just power saving?
At present, the price is expensive, power saving is not necessarily, there is no energy-saving light source, ray Shun, hurt eyes
The utility model has the advantages of power saving, small size, high light efficiency, long service life, no heat loss, and near sunlight spectrum, and is most suitable for human vision
Different spectra. Field more power, do not agree upstairs, Fei eyesight.
