Knog Quokka Run is a new model of extremely lightweight headlamp with USB charger, which joins the family of designer silicone headlamps. Primarily designed for running, hiking, walking, dog walking and other activities. The advantage of the Quokka Run headlamp lies in the red side flashes that increase visibility in city traffic.Light output: 100 lumens Lifetime 2.5 hours at 100 lm Extremely light 49g IP67 waterproofing Modes: long narrow cone, wide bright cone, combined (narrow and wide), Halo mode. Halo mode - red side LEDs 3 brightness levels for each mode, plus flicker Up to 50+ hours at wide cone and low power Narrow and wide beam have a 2.5-hour life. At 100 lumens Narrow beam, wide beam and Halo mode last 2 hours at 100 lumens Narrow cone with Halo mode lasts 2.5 hours.Wide cone with Halo mode lasts 4 hours at 75 lumens Last mode memory when reactivated Full battery charge - 3.3 hours Headlamp body in medical silicone Adjustable tightening strap USB charging