You can simply attach it to your clothing or pack with a one-touch, detachable clip, or directly to your bicycle via the included rubber strap.Getting dark on your commute? Wear it. COB LED (35 lm)Low profile round shapeClip-on bracket for easy installation to backpacks, saddle bags and clothingRubber strap bike mount includedLi-ion polymer rechargeable batteryUSB rechargeable (Micro USB cable included)Low battery indicator6 modes *Charging time: 2hMode memory functionBattery Auto Save (Lighting mode automatically changes to slow flashing when the battery power gets low)