Strauss Bicycle Zoom LED Torch with Mount Holder can be fixed to your bicycle and can be removed and use as a torch. Bike headlight supports 3 lighting modes: Full brightness, half Brightness and flashing, with adjustable focus. Installs in second, no tools required. Quick release, headlight can be detached and use as a flashlight. No Charging Hassles. As this Headlights gets Powered By 3 AAA Batteries.