Streamlight 61026 Argo HAZ-LO Division 1 Headlamp, Alkaline Yellow - 90 Lumens Battery Type: 3 AAA Alkaline (included) Unbreakable Polycarbonate Lens C4 LED Technology, Impervious to Shock With A 50,000 Hour Lifetime Run Time: Low Beam (25%) up to 50 Hours, High Beam (100%) up to 8 Hours at Regulated Intensity Push button switch; Sequences Through Low, High and Off IPX4 Rated for Water Resistan Operation; 2 Meter Impact Resistance Tested