The AMPP100 is an eco-friendly rechargeable 100 lumen light. It\'s lightweight and compact build makes it an ideal choice for all riders.AMPP 100 Key Features:Compact rechargeable headlight (100 lm),Up to 35 hours runtime,Features - Easy to attach and remove, new & improved rubber band mount with 360° rotation,Excellent side visibility,Low battery indicator,Lithium-Ion USB rechargeable battery (Micro-USB cable included),Mode memory function,Two light modes (Constant / Flashing),Weight: Only 62g,Designed in Japan..Runtime:Constant (100 lumens):3.5 hrs,Flashing (100 lumens):35 hrs,Charging time (From empty) : 2.5 hrs.ViZ 100 Key Features:3 LEDs (100 lumens),Focused lens for maximum visibility,Highly visible during daytime,Superior 300 degree visibility,Long rear beam projection,OptiCube™ lens technology,Lithium-ion rechargeable battery,USB rechargeable (Micro-USB cable included),Low battery indicator,4 modes: Constant / Flashing / Group Ride / Daytime Hyperflash,Mode memory function,Battery Auto Save (The mode automatically changes to flashing when the battery power gets low.),New seat post bracket SP-15 which also fits contemporary (Kammtail) aero seat post.,Snap System™ bracket.,Designed in Japan..Runtime:Constant (15 lumens):5 hrs,Flashing (10 lumens):70 hrs,Group Ride (35 lumens):11 hrs,Daytime Hyperflash (100 lumens):15 hrs,Charging time (From empty) : 3 hrs.Technologies:Opticube™: Our proprietary OptiCube™ lens technology maximizes brightness for greater visibility.,Side Visibility: Provides visibility from the side to increase safety.,Snap System™ (ViZ 100): Allows riders to place rear lights on various locations in both horizontal and vertical orientations.,Low Battery Indicator: Alerts when remaining battery gets low.,Daytime: Can be used in the daytime.,All Weather IPX4: Can be used in rainy weather.,USB Rechargeable: USB rechargeable products recharge the battery from any USB port.,360° Adjustable (AMPP 100): Light turns 360° for a multitude of lighting positions..