Streamlight 61301 Argo C4 LED Head Mount Headlamp, Yellow - 150 Lumens Argo LED Headlamp, Uses 3 AAA-Cell Batteries Unbreakable Polycarbonate Lens C4 LED Technology, Impervious to Shock With A 50,000 Hour Lifetime Yellow ABS Case; 90 Degree Tilting Head Run time: 150 lumens for 3 hours, 100 lumens for 4-1/2- hours, 45 lumens for 30 hours Yellow ABS Case; 90 degree tilting head Unbreakable Polycarbonate Lens 1 watt super high flux, 50,000 hour Luxeon LED Run time: 150 lumens for 3 hours, 100 lumens for 4-1/2- hours, 45 lumens for 30 hours 2-1/3-inches high by 3 inches wide by 2-1/4-inches deep