The Vision X 8.7??? round HID-8550XP off road light features 50 Watt HID technology, a narrow beam pattern that offers you great distance with little spread to the beam, and black powder coated die-cast aluminum housing. The HID-8550XP comes standard with an Extended warranty, and multi-volt 9-32V DC input. This light weighs 6.20 pounds and offers a mounting depth of 3.4???. It offers an internal ballast and starter with weatherproof plug and play harness for easy installation.