These are awesome for night driving! These were a big hit at Squirrel Fest! 5000 lumen rechargeable waterproof single-light headlamp. Adjustable straps with comfortable support for lights. Light is focusable and pivots up/down. One button switch, USB cord, and two 18650 3.7v/4200mah rechargeable batteries are included. Weight is 14 ounces.