The Sprint 225 is Black Diamond's smallest and lightest rechargeable light, built specifically for pre-dawn/post-sunset runs.\n\nProduces 225 lumens on max settingCompact, low-profile design is powered by a lithium ion rechargeable battery (3-hour USB charge time)Vari-width elastic headband purpose-built for runningSix-setting 3 LED battery meterPowerTap™ Technology allows instant transitioning between full and dimmed powerBrightness Memory allows you to turn the light on and off at a chosen brightness and revert to its most recent brightnessSettings include full strength, dimming and strobeMultifaceted optical lens designLockout feature safe guards against accidental use when stored in a pack or pocketIPX4: Storm proof—Tested to withstand rain and sleet from any angle750 ma-Hr li-ion battery Black Diamond Sprint 225 Headlamp Octane | Buy Black Diamond Sprint 225 Headlamp Octane here | Outnorth