The Vision X 21" XIL-PX3640 features Prime Drive Technology, a flood beam pattern that offers you a wide amount of light with not as much distance, and black aluminum housing. The XIL-PX3640 comes standard with an extended warranty, and multi-volt 9-32V DC input. This light weighs 10.58 pounds and offers a mounting depth of 2in. Coming with Prime Drive for enhanced reliability and output and our new 5watt LED?s this light has an extraordinary light output.