The Fenix HP20 headlamp features a separate design providing a lighter headlamp that is more comfortable to wear. Drive-by-wire switch allows user to more easily operate headlamp. Features: --CREE XP-G R5 LED --Uses (4) 1.5V AA Alkaline or Ni-MH batts. --Digitally regulated output. --Hardened ultra-clear double glass lens with anti-reflective coating. --ANSI/NEMA FL1 ratings: --Four output modes: 230 lumens (3 hours 29 minutes), 125 lumens (8 hours 24 minutes), 51 lumens (24 hours) and 6 lumens (296 hours). --Also features 230 lumen strobe, 51 lumen slow flashing and 51 lumen SOS modes. --Waterproof to IPX-8 standards (submersable 2 meters) Imported.