Slim 500 Classic 5 ¾" Universal Hi/ Lo LED Headlight (SINGLE). ECE certified with 4,000LM, 25W, 6,000k L.E.D. systems. The 1139 series is High/ Low Beam for use with a matching set of 1129s for quad-headlight vehicles. This variation is a single headlight for Motorcycle use. Features a classic convex prismatic lens to match the look of the old sealed beam headlights. Perfect for restoration, muscle cars and hot-rods. The lead-crystal glass lens does not oxidize (become hazy or accumulate film) like plastic lenses. Added lead enhances glass strength. Prismatic lens provides superior photo-metric light distribution. Four phase finished vacuum metalized steel reflectors improve reflection 4 to 1 next to stock. LED assembly protected by high-density silicone rubber boot with venting to guard against dirt and moisture. LEDs rated for 22,000 operating hours or 20 years of average use. In the Box; 1 (ea) Headlight Assembly, 1 (ea) H4 LED (25W, 2A), 1 (ea) Silicone Boot. ***Tabbed mounting points may not match the bucket for all vehicles modification may be required.