CATEYE Viz 300 Rear Bike Light, 300 Lumens, 4 Light Modes, USB C Rechargeable, Wide 300° Visibility, Waterproof Design, Compact and Lightweight for Maximum Safety on Day or Night Rides

Powerful 300-Lumen Output: Provides high visibility with 300° wide-angle illumination, keeping you safely visible to other road users during day or night rides Versatile Lighting Modes: Offers 4 modes (High, Low, Daytime HyperFlash, and Group Ride) to adapt to different cycling conditions and ensure optimal safety USB Rechargeable Efficiency: Features a rechargeable battery with up to 45 hours of runtime in Group Ride mode Durable and Weatherproof Design: Built to withstand tough conditions with a compact, lightweight, and waterproof construction for year-round reliability Secure and Flexible Mounting: Equipped with a sturdy, adjustable strap that fits various seat post sizes, ensuring the light stays in place even on rugged terrain