Streamlight 61405 Enduro Impact Resistant Headlamp with Elastic Strap, Camo - 50 Lumens Impact Resistant ABS Case Unbreakable Polycarbonate Lens C4 LED Technology, Impervious to Shock With A 50,000 Hour Lifetime Run time: low beam (25%) up to 24 hours, high beam (100%) up to 5.5 hours at regulated intensity IPX7 Rated For Water Proof Operation