High-quality aluminum profile heatsinkSelf-designed driver with 10 years of experienceInstant-on with no warm uptimeFree of harmful mercury, environment friendlyExcellent dimmers compatible abilityETL/cETL/CE approvedCOB LED (Chips On Board)3 Years Warranty Specs & Features: Power: 5WLumens: 450-500 lmBeam Angle: 38 DegreesDimmable: YesColor Temperature:2700KLife Span: 40, 000HBase: GU5. 3Dimensions: 1.96 in Diameter x 2.24 in HeightMaterials: Aluminum + PMMA