These surface-mount lights are used to provide downward-facing light during nighttime driving or other low-light conditions. These lights are useful for illuminating steps and the license plate of your RV, camper, trailer, and other towables. Each light features 6 LEDs that provide up to 100,000 hours of light. Each light is built with a waterproof seal and durable ABS plastic material to withstand the harshness of the road and outdoor environments. The overall dimensions of each light are 2 ¾” Wide x 1 3/10” High x ⅞” Deep. The mounting holes for these lights measure 55mm apart, center to center.