JW Speaker: 771F-12/48V XD LED Worklamp w/Harness GMC They have also added a

They have also added a LED tube around the edge as DRL and sequential turn signal

Choose from Chrome

Program the speed sensitivity (Low to high) based on your vehicle: Low for vehicles that quickly decelerate

glare reduction

Black bezel or chrome bezel

JW Speaker: 771F-12/48V XD LED Worklamp w/Harness GMC They have also added aFunctionally identical to the Model 770 XD, the Model 771 XD is available in DC configuration and comes in your choice of beam patterns. It features a polycarbonate housing and lens for maximum protection. Features: UV resistant polycarbonate lens, Universal mount, Horizontal oval version available (Model 770 XD).