Harnessing Unbeatable Power: Whether you choose the Eco-Boost 2x XIL-PX610 Kit or the PX3610 Bumper Mount, you can rest assured that the LEDs inside are the best LEDs obtainable. Top-binned and perfectly constructed, these high powered LEDs are capable of outputting the maximum amount of lumens per LED. Rugged and Durable Construction: Being manufactured from extruded 6061 aluminum, Vision X lights are tough enough for all conditions. The front has the ultimate protection of an unbreakable polycarbonate lens, while the bottom has the Vision X designed stud mount with vibration dampening rubber. Prime Drive Technology: Prime Drive Technology from Vision X Lighting controls vital functions such as temperature control and dimming on your LED Light Bar. This advanced technology can increase or decrease the intervals at which the LEDs turn on and off in order to lower the bars overall temperature and maximize the lifespan.