TechLite PD 065 Lumen Master Head Lamp, Black/Grey Head lamp gives 100-lumens of light using one XPG LED bulbs powered by 3 AAA batteries Comes with a Front Switch that has three modes: low, high and strobe Features 80-Meter beam distance in high mode and 40-Meter beam distance in low mode The housing is made up of Polycarbonate Dimensions: 2.6-inch by 1.8-inch by 1.6-inch; weighs 0.1-pounds