Bioluz LED 50 Watt Replacement Dimmable MR16 LED Light Bulbs Available in 10-Packs, 5-Packs and Singles Replaces 50 Watt Halogen Bulbs(Uses just 7 watts - Saves 87%) Dimmable and Instant-On 12 Volt AC / DC UL Listed Indoor / Outdoor 3000K Color Temperature(Soft Bright Light) Matches Halogen Bulbs 40 Degree Beam Angle (Semi-Spotlight) CRI Over 80 Saves $118 per bulb in energy costs vs halogen MR16 light bulbs Mercury free= safe for pets, children and the environment Environmentally friendly packaging - no plastic in our packaging! 2" in both height and width 5 Year Warrantywith Free Replacements Bioluz LED introduces the new industry standard with its elegant MR16 series light bulbs. Standard GU5.3 base (2 pin) with halogen light quality and color. Bioluz LED offers beautifully styled lamps for your home, office and landscaping. Crisp and bright, Bioluz LED high-performance lamps offer aesthetically pleasing designs combined with quality and energy efficiency. What's a Kelvin?Our MR16 and GU10 bulbs are 3000 Kelvin. This represents the "color" (which is based on the temperature) of the light. When replacing Halogen bulbs, we believe our 3000K LEDs are nearly identical in color. 2700K is slightly more yellow (such as an incandescent bulb), while we find 4-5000K generates a bluish tint on objects (like at a hospital or office building). Many brands sell and market higher Kelvin (4-5000) bulbs with lower lumens to make them "appear" brighter. Bioluz LED manufactures the correct color bulbs with exceptionally bright, energy-efficient LEDs, so you get the color and brightness you're accustomed to without the harsh effect of higher color temperatures.