6.5 watt MR16 EarthBulb LED bulb replaces 50 watt incandescent lamp which may provide over 80% energy savings. 3000K and 5000K color of light available with 38 degree beam angle. Great for use in dimming recessed lighting, track lighting and display lighting applications. High power LED and an advanced cooling system provides for 15,000 hours of LED life. Base type GU5.3.