[AMPP100]The AMPP100 is an eco-friendly rechargeable 100 lumen light. It's lightweight and compact build makes it an ideal choice for all riders. Compact rechargeable headlight (100 lm)Easy to attach and remove, new rubber strap mountExcellent side visibilityLow battery indicatorUSB rechargeable (Micro-USB cable included)Mode memory functionTwo light modes (Constant / Flashing) [ViZ100]Compact and versatile, the ViZ100 stands out with Daytime Hyperflash™ mode in an economical package. 3 LEDs (100 lm)Highly visible during daytime300 degree visibilityLong rear beam projectionOptiCube™ lens technologyLithium-ion rechargeable batteryUSB rechargeableLow battery indicator4 modes *Charging time: 3hMode memory functionBattery Auto Save (The mode automatically changes to flashing when the battery power gets low.)New seat post bracket SP-15 which fits contemporary (kammtail) aero seatpostSnap System™