Bulb King 10Pack M16 Led Bulb GU5.3, 12V, 4W 100% Aluminum Reflector,Dimmable, 450lm,50W Halogen Equivalent 3200K Warm White,Spotlight, Recessed Lighting, Track Lighting, Brightness: Provides approximately 450lum of light, illuminating your environment around you. Standard MR16 4W shape with GU5.3 base. Can be easily fitted instead of ordinary MR16 halogen bulbs. Solid State. Shockproof and vibration proof. Eco-Friendly. CE,RoHS compliant. No lead or mercury. No UV or IR Radiation. Solid State.Shockproof and vibration proof. Energy Saving: 4W LED MR16 bulb equal to 50W halogen MR16 bulb, saving 90% on electricity bill of lighting. The lifespan is 30000 hours. Long lifespan: Reduce re-lamp frequency. Application including accent lighting; art galleries; hotels, museums, offices, restaurants, retail and general lighting compliant.