HELLA Rallye 4000 lamp is the first thing that comes to the mind of racers and auto fanatics. The HELLA Rallye 4000 lamp series is the toughest auxiliary lamp out there in the market. The rugged lamp also has the style quotient that matches virtually every ride. These lamps offer advanced halogen lighting performance and feature metal housings with glass lenses for unmatched durability. Their knurled knobs make for fast adjustments whether you're on the road, the track, or the trail. Requires wiring harness, sold separately.