LED headlights have become an important feature on modern cars, but is it possible to overstep and cross a legal threshold?

We may receive a commission on purchases made from links. Over the last decade, LED headlights have made their way from luxury models to everyday cars — and for good reason. Traditional halogen bulbs, ...

We recently tested out two new Maglites: the ML25LT and our new best overall pick, the ML150LR. In addition to this, we are working on testing out the the ThruNite LED Flashlight Archer 2A ...

A close-up of an LED headlight on a modern vehicle. - O2o Creative/Getty Images Coasting along the highway at night can be quite meditative with the windows rolled down and your tunes turned up. But ...

Gaggione is focussing on narrower beams with two acrylic collimators and a set of radial beam masks. LLC22R (pictured) is a 16mm collimator claimed to achieve ±4.45° (8.9° FWHM) and 34.2cd/lm with ...

Cree is aiming at directional lighting applications such as spotlights, premium torches and sports lighting with the XP-G4 re-work of its XP-G series of leds, increasing energy in the beam while ...

The light intensity curves for LEDs, regardless of whether they are collimated with a lens or reflectors, follow a bell shaped curve (often referred to as a “Lambertian“ curve). The 50% intensity ...