Sunthin 4.5W MR16 Led Bulb, Warm White, 50w Equivalent, Recessed Lighting, MR16 LED, LED spotlight, 320lm, 45&deg; (Warm White) Proprietary Optics Lens enabling glare-free uniform lighting for all working environments Save electricity bill. Replace 50W halogen bulb by 4.5W LED, save 90% on electricity bill of lighting Easy Installation. Standard MR16 shape with MR16 base. Can be easily fitted instead of ordinary MR16 halogen bulbs Eco-Friendly. RoHS compliant. No lead or mercury. No UV or IR Radiation Reduce re-lamp frequency. Lifespan is over 50000 hrs. Save effort and maintenance costs on changing bulbs frequently