There are many auxiliary light manufacturers with prices ranging from less than $100 up through $500. Shape, wattage, and size also varies from model to model.
Hella fog lights and a Hella lightbar come standard on the 05 Jeep Liberty Renegade. Unfortunately, the lenses of the Hella fog lights are known to crack when used in cold weather. The difference in temperature between the hot air inside of the lamp when it's turned on the and the cold air outside the lamp when it's cold causes the glass to stress crack.
Warranty valid for as long as the original purchaser owns the light. Stress cracks are covered under the warranty.