Prime Choice Auto Parts PLBAR04018EX10 Set of Ten 4 Inch 18W Cree LED Spot Light Bars Water and dustproof with IP69k military-grade protection rating Large heat dissipation veins keep lights cool for over 50,000 hours of service Ultra bright LED technology with over 96% Optical reflector efficiency Stainless steel mounting hardware built to outlast your vehicle Multi-style light settings: Spot light, Flood light, and Combination light