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1PC LED COB Chip 20W 30W 50W AC220V Warm White/Cold White Light Engine Integrated Smart IC Driver Quantity:1PC; Wattage:50,30,20; Type:LED Chip; Primary Application:for DIY LED Flood Light Spotlight; Certification:RoHS,CE Certified; Material:Silica Gel,Aluminum; LED Type:COB,Integrated LED; Batteries Included:No; Brand:ZDM; Features:Luminous;... 1PC LED COB Chip 20W 30W 50W AC220V Warm White/Cold White Light Engine Integrated Smart IC Driver