... replace GU10, MR16, E27, E14, or need to replace G9, G4, GX53, R7S, G24 lights, here we have the best choices ... high quality LED chip, 80% energy saving compare with fluorescent lamp.3. High quality housing material, elegant design.4. Instant start ... within 24 hours. 220v gu10 6w led bulb replace 50w halogen bulb