Specifications: Power:5W Base Diameter:50mm/1.97inch Input voltage:15-18V Current:300mA Material:Aluminum,Plastic Color Temperature:Pure White(6500K) LED Type:Surface Mounted Devices 5730 Package Content:1 x LED Aluminum Base Description: This is led aluminum board for ceiling light, downlight,spot light etc. High Power LED, saving power,very low heat generating. Low consumption, high brightness. Special for indoor lighting. In use process need to have the cooling module.