Coleman CPX 4 LED Headlamp Plastic The smallest, lightest, high-power LED headlamp in the world Flexible Power  runs on 3AAA batteries (included) or the Coleman CPX 4 Rechargeable Power Cartridge 11 hours of runtime at 75 lumens Red LED setting for enhanced night vision Pivoting light can be removed from the head strap and attached to the bill of a hat using the wire clip