The perfect combination kit for all year-round visibility Perfectly matched for features and functions the extremely popular AMPP400 is now paired with the all new ViZ150 USB rechargeable rear light. Both feature the simple and secure Cateye brackets (FlexTight™ on the AMPP400 & the all-new Snap System™ on the ViZ150). The AMPP400 is perfect for urban riding in all weather conditions. The compact, lightweight Cateye AMPP 400 offers impressive functionality and visibility, whilst the incredibly powerful ViZ 150 gives you a feature rich, long lasting and highly visible (150 lumen) rear safety light that has an amazing 70 hours of runtime when in flashing mode. AMPP 400 FEATURES: Rechargeable headlight (400 lm)Wide beam with OptiCube™ lens technologyExcellent side visibilityLow battery indicator (Illuminates in red with less than 20% battery remaining)USB rechargeable (Micro-USB cable included)Mode memory functionFour light modes (High / Low / Daytime HyperConstant / Flashing)Turns on High mode with double-click of power button. FlexTight™ bracketImproved release button has made it easy to remove the light unit from the bracket. Helmet mount and center fork bracket (optional)Weight: Only 117gDesigned in Japan. RUNTIME: High mode 400 lumens: 2hrsLow mode 200 lumens: 4hrsHyperConstant mode 400/200 lumens: 6hrsFlashing mode 200 lumens: 60hrsCharging time (From empty) : 2.5 hrs. ViZ 150 FEATURES:3 LEDs (150 lumens)Focused lens for maximum visibilityHighly visible during daytimeSuperior 300 degree visibilityLong rear beam projectionClear OptiCube™ lens technologyLithium-ion rechargeable batteryUSB rechargeable (Micro-USB cable included)Low battery indicator4 modes: Constant / Flashing / Group Ride / Daytime HyperflashMode 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 seat post. Snap System™ bracket. Weight: Only 27gDesigned in Japan. RUNTIME: Constant (20 lumens):5 hrsFlashing (15 lumens):70 hrsGroup Ride (50 lumens):11 hrsDaytime Hyperflash (150 lumens):15 hrsCharging time (From empty) : 3 hrsTECHNOLOGIES: Opticube™ Our proprietary OptiCube™ lens technology maximizes brightness for greater visibility. Side VisibilityProvides visibility from the side to increase safety. Snap System™ (ViZ 150)Allows riders to place rear lights on various locations in both horizontal and vertical orientations. FlexTight™ (AMPP 400)The innovative and versatile Flextight™ bracket can quickly and securely fastened to virtually any handlebar with no tools requiredUSB RechargeableUSB rechargeable products recharge the battery from any USB port. Low Battery IndicatorAlerts when remaining battery gets lowDaytimeCan be used in the daytime. All Weather IPX4Can be used in rainy weather.