Car headlamp brightness. Headlamps are also often called headlights but in the most precise usage headlamp is the term for the device itself and headlight is the term for the beam of light produced and distributed by the device. Headlamp performance has steadily improved throughout the automobile age spurred by the great disparity. The original led headlamp from petzl the redesigned tikka cranks out 200 lumens with a longer burn time for practical outdoor activities all in a compact and easy to operate design. Available at rei 100 satisfaction guaranteed.