Features: Patented design, unique profile, and beautiful style. High-end led chip, high photosynthetic efficiency, high color rendering index. High quality PC lampshade with high luminousness. Use high thermal conductivity material housing, high efficient heat dispersion, safety and reliable. Large emitting angle, meets the European and American safety standard, energy-saving and environmental friendly. Specifications: Model No.BL3W-EBL5W-EBL7W-EBL9W-E Work VoltageVAC 86~264 Power: W3579 Power factor: >0.6>0.9 Illuminant TypeSMD2835/0.5W Luminous FluxLm>320>530>740>950 Luminous Efficacylm/W>100>105 Correlated Color Temp.K3000~6500 Color rendering IndexRa>80 Emitting angle°270 Environment Temp.?-20~45 Base TypeE27 Lifetimeh50000 IP LevelIP54 Outline Dimensionmmf50×90f60×110f65×118f70×124 Weightkg0.0370.0520.0630.067