Electronic components used intransformers together with the design determine the efficiency ofthe transformer,also power factor,stability,temperature rise andlife

 Users do not understand theknowledge of components,then,from the size,weight of transformer tomake the initial determination.

 3,the brand and packaging about lampbeads:

 Quality of lamp bead decides the lighting effectof LED ceiling light;the technology of packaging affectsquality,cooling and other key factors of lampbeads.

 Different brands,prices arequite different;the lighting effects are also greatdifferences

Those lights ofparticularly low price mainly use defective chips made out from thebottom production lines,non-consistent color temperature,brightnessdifference,life is short,and users need to pay attention

 about JOHOLED

1.LED SPOT Light (COB Spot & High Power:GU10,MR16,E27..)
2. LED Bulb (G24,R7S,G4,G9...)

3.LED Ceiling & Down Light

4. LED Panel Light
5. LED Flood Light

6.LED Strip(SMD528,SMD5050...)

7.LED Tubes