1) Base type: E27 2) Energy-saving and environment-friendly 3) Color: Cool White, Warm White other color is available 4) Better thermal-dissipation structure 5) Light source: Epistar 6) Luminous flux: 500( Color Temperature: 3500K) 7) Beam Angle: 30/45/60 degrees (glass lens, optical grade) 8) Body Temperature: less than 53 degrees Celsius 9) LED working temperature: less than 62 degrees Celsius 10) Brightness degradation: 3% 3000hours 11) Lifespan: 50,000 hours 12) No UV or IR radiation 13)33pcs SMD 5050