Cygolite Hotshot Taillight Maximize Your Presence A taillight will drastically help improve your visibility. Whether you're riding around at night or in the middle of the day, visibility will always be a beneficial thing. The Cygolite Hotshot Taillight casts an extra-wide beam to maximize your presence from afar, and a specially treated internal body disperses a radiant glow to keep nearby motorists alert. Adjustable brightness and flash tempo to get the right amount of light for the situation. Features Engineered to make you stand out in broad daylight and at night Specially treated internal body disperses a radiant glow to keep nearby motorists alert Light mode memory saves the mode you're in before the light is turned off Specifications Number of LEDs1Battery Type Rechargeable, USBWeight59g Water Resistant Yes Low Power Indicator-Mounting Type Seatpost Battery Mounting Internal | Cygolite | Hotshot Taillight 120Lumens