A detailed chart looking at the LED Efficacy on the vertical axis and light output on the horizontal axis for the MK-R is shown here. As users can see from the chart, the MK-R LED delivers both high efficacy and high lumen output. At 85°C, in neutral and cool white color temperatures, the MK-R maintains efficacy above 100 lm/W at 1500 lm and higher, while at warm white color temperature, the MK-R LED maintains efficacy above 90 lm/W delivering more than 1300 lm.