Led lenser seo3 headlamp green the new headlamp series with its youthful design starts out with the led lenser seo 3 it uses three high quality leds with up to 90 lumen just like all of the led lenser seo lamps it offers a key lock to prevent the lamp from switching on accidentally the led lenser seo 3 is a high quality headlamp with impressive performance features 3 high intensity leds smart light technology several light programs 1 x glare free high end red led light to prote