1.ENERGY SAVING - These MR16 5w LED bulbs are the ideal replacement for 50w halogen light and help you save up to 90% of your electricity bill.2.HIGH COLOR RENDERING & 120° BEAM ANGLE - 2800K warm white and 450 lumens provide high brightness and spotlights for a comfortable and warm environment.3.A 120 degree beam angle creates a focused lighting effect, ideal for everything from living to decorative spaces EASY AND QUICK INSTALLATION - Standard MR16 12v LED bulbs with GU5.3 locking base, plug and play,All you need to do is replace your halogen lamp.4.No lead or mercury, no UV or IR rays, non-flickering bulbs for minimal eye irritation.Safe for environment and home used.GU5.3 LED bulbs, MR16 5W LED bulbs, equivalent to 50W halogen bulbs, 450lm 5W, 12V, 2800K warm white beam angle 2800K, non-dimmable, recessed lighting pack High performance and satisfactory brightness - Excellent performance without flickering or buzzing;Clear and bright warm white with 450 lumen.5.Wide Application and Stress-Free Guarantee - Ideal for home lighting, landscape lighting, recessed lighting, track lighting, accent lighting, cabinet lighting, gallery lightingart, hotels, museums, offices, restaurants, retail stores, shop windows and any place requiring excellent lighting;energy saving compared to 50W GU5.3 halogen lamps;Excellent investment to reduce your electricity bill.ATTENTION: If your working voltage is 100-240V, a transformer for 12V is needed.