The TerraLux LightStar100-pink flashlight operates in three modes: high (100 lumens), low (50 lumens) and strobe (100 lumens). It can run two hours on high and 8.5 hours on low. It has a focused beam pattern, which is especially bright in the center. Made of aircraft-grade aluminum, this water resistant flashlight measures 4” long with a 0.875” diameter. Includes holster, battery, wrist strap and lifetime warranty.