The LED Optics MR16 Series is the best LED MR16 series available today! It offers industry leading “light output” and “quality of light.” The LED Optics MR16 with GU 5.3 (standard 2-pin) is one of the only LED MR16’s available today that offers “full-range” dimming capability.* It is far superior to any other MR16 that we have tested in our labs. You will have a hard time trying to find a 3 watt MR16 with the light output that this series is capable of! The LED Optics LED MR16 Series has superior heat dissipation compared to all others tested. If you are in the market for the best LED MR16 available today, your search is over!