Nebo Einstein 400 Rechargeable 400 Lumen HeadlampBe an Einstein. Pack the right gear to help you get the job done and rest easy knowing that the headlamp on your head was designed and engineered by people who are a lot like Einstein too. Thanks to them, you've got up to 400 lumens and two different lights modes providing you with an assist. You know what they say, great minds think alike! The NEBO EINSTEIN Series is inspired by, obviously, Albert Einstein, who had a brilliant mind and a knack for