The Cateye AMPP 900 Lights’s compact and durable alloy body features a three level battery indicator that means there is always time to get home.Pumping out an attention-grabbing 300 lumens with OptiCube™ lens technology, the versatile Cateye ViZ 300 Light stands out with the power of Daytime Hyperflash™ mode and the friendliness of Group Ride mode.Cateye AMPP 900/Cateye ViZ 300 Light Set HighlightsHigh power rechargeable headlight (800 lm)Powerful wide beam with OptiCube™ lens technologyExcellent side visibilityLarge capacity lithium-ion rechargeable batteryBuilt-in fast recharging circuit *Full charge in approx 3 hours (minimum)3-level battery indicator (Blue: Above 50% Yellow: 30-50% Red: Less than 30%)USB rechargeable (Micro-USB cable included)Mode memory functionFive light modes (High / Middle / Low / Daytime HyperConstant / Flashing)Turns on High mode with double-click of power buttonFlexTight™ bracketHelmet mount and center fork bracket (optional)3 LEDs (300 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™