We are a professional LED light manufacturer in Shanghai China, For detail question, pls feel free to let us know.  here is my Skype ID: betterled7        my QQ:798381742

Specifications for quick selection:
LED down light
Power:3W/5W/7W/9W/10W/20W/25W/30W
LED chip:Bridgelux 
Voltage:85~265V
Color: cool white/natural white/warm white/RGB
Available in non-dimmable and dimmable