H4 18 5050 (3 Chip) LED Fog Light. Saves power and has a long life. 12 VDC. Has 3 forward firing and 15 side firing LEDs, and only uses .12 mA @ 13.8 VDC. Ony use for your fog light.Comparable to a 15 watt incandescent equivalent. Approximate size is 2.50in x .58in x 1.87in. This LED Light only has 1 brightness level. 6000K.