HELLA 007560771 Rallye 4000i Series 12V/35W Xenon Driving Lamp with Internal Ballast Designed for use by motorsports professionals, the Rallye 4000I Xenon puts 50,000 Volts of lighting power at your fingertips The same features as our rugged and dependable Rallye 4000 Xenon Series now with an internally mounted ballast for the ultimate in mounting flexibility 8.70 inch high x 8.70 inch wide x 6.00 inch diameter One Year Limited Warranty