Rigid E-Series LED Light Bars are the perfect solution for the customer who wants powerful, bright, and reliable light. Rigid's patented Hybrid optical system continues to lead the field in efficiency and projection. This patent is one of my reasons that the competition simply doesn't stand up to the quality and performance of Rigid E-Series LED Light Bars. By using the latest Cree and Osram LEDs, USA Made Rigid E-Series lights project more than twice the amount of light at the same power. Top it off with the fact that Rigid LED Lights come with a lifetime warranty and the choice is clear. The part number for this item is 104212BLK. This is a 4" LED Light Bar / 10 Degree Spot light. Click on the "specs" tab for additional information.