Fenix HP20 230 Lumens waterproof LED Headlamp LED outputs 230 lumens (3.5 hrs runtime) on highest mode and 6 lumens (296 hrs runtime) Beam provides balanced spot to spill light reaching over 547 ft on high New innovative drive-by-wire bi-switch allows remote toggling between modes Waterproof to IPX-8 Standard, 2 meters for 30 minutes Powered by 4 AA batteries; easy to find and affordable (Not Included)