The all new ViZ150 rear bicycle is compact, bright, and versatile and is a light that stands out with great visibility, thanks to the clear OptiCubelens technology and Daytime Hyperflashmode, all in an affordable package. A fully featured rear light, the ViZ150 replaces the Rapid X and comes with 4 essential modes including a group ride mode and flashing mode which delivers a remarkable 70 hours of runtime. The innovative new Snap Systembracket is simple to fit and place on your preferred position on the bike. The ViZ150 with its 150 lumen high power makes this the ultimate rear bike light to give you confidence when riding day or night in any condition.Key Features:3 LEDs (150 lm)Highly visible during daytime300 degree visibilityLong rear beam projectionOptiCubelens technologyLithium-ion rechargeable batteryUSB rechargeable (Micro-USB cable included)Low battery indicator4 modes *Charging time: 3hMode memory functionBattery Auto Save (The mode automatically changes to flashing