The LED Helmet Camera Cap Light is very Lightweight, extremely bright and now water resistant. Powered by 2 lithium con cell batteries for use with up to 96 hours. Ultra bright white light from 5 LED bulbs with 100,000+ hours of run time. Attaches on the bill of a cap or to the top of your helmet, with a piece of double sided velcro, to provide extra light for recording in the dark.