Different beam patterns offer advantages depending on your specific lighting needs. Spot Beam- Provides focused bright light for maximum forward distance and high-speed visibility.The Pro6 rear light ring allows you to replace the rear retaining ring on an individual Pro6 Light of a Gravity LED Pro6 Version 2 light bar.Universal under hood mounting package includedUse As a Standalone Universal LED Light Bar or Add-On Light Bar to KC M-RACKSUV Resistant Black Powder Coated HousingUV Resistant Black Powder Coated HousingVoltage: 12VVoltage: 12V The Apollo Pros were created for the most demanding off road terrains. Featuring an IP67 rated Polymax housing and built in stone guards these lights are engineered to last and perform for years to come.