GU10 light bulb, 4 with 3000 K. The luminous intensity is 345 lumens with a wattage of 4 W. This light bulb is only dimmable with special dimmers and suitable for fixtures with a GU10 socket. 3000 K emits a warm white light color. The color rendering index has a value of 80. The lifespan is 15,000 hours. Protect your eyes, the environment, and your wallet with LED lighting. Benefit from longevity and energy efficiency: LEDs (light-emitting diodes) have the advantage over traditional incandescent bulbs of not generating heat, instead converting most of the energy into light and thus consuming only a fraction of the electricity. Additionally, LED bulbs are extremely durable and do not need to be replaced frequently. Since LEDs are flicker-free and have a high color rendering index, their light is always pleasant for your eyes. Objects illuminated by LED lighting appear in their true, natural colors.