The XL Pro Kit for the 2021 YZ250FX/YZ450FX has been designed specifically for aggressive night-time riding over any terrain by combining amazing distance projection, wide peripheral spread, and a smooth light pattern. This light utilizes two types Cree LEDs - the brightest, most efficient LEDs on the market to give you a blinding 4,095 lumens, and offers a 20% dimming feature. Perfect for racers and enthusiasts that need a vast amount of light at high speeds and are looking for something other than a light bar. This kit is bike specific and is a simple plug and play making for simple and easy installation. An industry first 30 Day Satisfaction Guarantee & Limited Lifetime Warranty is included for the ultimate in purchase protection. USPTO Reg No. 5,766,659 ELS(TM) Scores:XL Pro Driving Combo Clear: ELS 88/ 6.6/ 432&';/ 3764 Satisfaction Guarantee - 30-Day Money Back Guarantee Limited Lifetime Warranty - Complete Purchase Protection uService - Replaceable Lenses And Optics ClearView - All The Light, Right Where You Need It MoistureBlock - Waterproof, Rain Proof, Submersible CopperDrive - Only LED Driven At 100 Percent 5000K Daylight - Less Driver Fatigue, Natural Color Baja Designs 507101 Installation Sheet Specifications Description Driving/Combo; Clear Brightness (Lumens) 4095 Bezel Material Powder Coated Cast Aluminum Beam Pattern Driving/Combo Average Rated Life (hr.) 49,930 Amperage Rating (A) 3 Housing Color Black Housing Material Hard Anodized and Powder Coated Cast Aluminum Lens Color Clear Product Type XL Pro LED Light Pod Overvoltage Protection Built-In Mounting Hardware Material Stainless Steel Mounting Hardware Included Yes Lighting Type Forward Projecting Lighting Technology Cree XP-L LED Lighting Quantity 4 Lighting Modes High Beam/Dimming Feature (20%) Light Quantity 1 Lens Material Hardcoated Polycarbonate Universal or Specific Universal Wattage (W) 41.400 Wiring Harness Included No Dimensions Weight (lbs.) 2.450 Height (in.) 4.430 Depth (in.) 3.650 Length (in.) 4.430 Standards & Compliance Standards/Compliance (Water Resistance) IP69K (Waterproof up to 9ft & Pressure Washable) Standards/Compliance (Impact Resistance) IK10 Compliant (Mechanical Impact Testing) Standards/Compliance (Durability) Exceeds MIL-STD810G (Mil-Spec Testing)