Power: 11W, LEDs: 52PCS SMD5050, Input Voltage: AC85-265V 50-60Hz, Output Voltage: DC43V, Output Current: 220mA, Power Factor: 0.8, Power Efficiency: 85%, Color Temperature: 2800-6500K, Color Rendering Index(Ra): 75 Ra, Lifespan: 50,000 Hrs, Working Temperature: -35° to 40°, Luminous Flux: 900LM, Luminous Efficiency: 82 LM/W, View Angle: 120°