GU10 LED Bulbs, 50W Halogen Bulbs Equivalent, 420lm, 5W, Cool White, Daylight White, 6500K, Recessed Lighting, Track Lighting, LED Light Bulbs, Pack of 1 Unit Pack of 1 unit. 5W LED Gu10 bulb equal to 50W Halogen GU10 bulb, saving 80% energy. Easy Installation. Can be easily fitted to replace ordinary GU10 halogen bulbs. Extremely long life. lowers maintenance costs by reducing re-lamp frequency Instant full light. The starting time is less than 0.5 s, no need to wait for warming up the lamp.