GU10 5W LED Bulbs, 50W Halogen Bulbs Equivalent, 420lm, Warm White, 2700K, Recessed Lighting, Track Lighting, LED Light Bulbs, Protect the Eyes Especially for Family with Children, Pack of 4 Unit TECHNICAL PARAMETERS: 5W GU10 LED light bulb, 50W halogen bulb equivalent, 420 lumens, warm white 2700k, AC 100-240V, non-dimmable HIGH LIGHTING & INSTANT ON: This GU10 reflector bulb deliver bright soft white light, CRI is over 80, very vivid and natural light; the start-up time is less than 0.5 s, no need for a warm up time EASY INSTALLATION & WIDE APPLICATION: Can be easily fitted in any normal GU10 based lighting fixtures, widely used for spot lighting, mood lighting, down lighting, living room lighting, dining room lighting, bedroom lighting ENERGY-SAVING & LONG LIFESPAN: Save over 90% on electricity bill than halogen bulbs; and save your money by reducing the frequency of replacing bulbs as the lifespan of this GU10 reflector is extremely long, which is around 30,000 hours ECO-FRIENDLY: No lead or mercury, no UV or IR radiation, safe and reliable