3-30w cob led1-8w led filament bulbhigh power led diodeRGB ledthis is Chris Wong from Dong Guan Sunlead opt-ele tech Co.LTD,our company is a professional LED manufacturer with 7 years experience.so we want to avail ourselves of opportunity establishing business relation with you.if you want to know more about our product.Please link our company web site:www.byled.cnThank you in advance!Best regardsChris WongSales ManagerCompany name:DONG GUAN SUNLEAD OPT-ELE TECH Co,LTDADD:No.Two Dajing North Road,Shatou Changan Town,Dongguan CityTEL:+86-82288356SKYPE:chris wong11