ROCKBROS Bike Lights for Night Riding, Smart Bike Tail Light with Brake Sensing, IPX5 Waterproof, 6 Modes USB Rechargeable Rear Bicycle Light for Road Bike, MTB

Description Durable Aluminum Construction: Crafted with a high-strength aluminum alloy shell, ROCKBROS bike tail light is built to withstand daily use and tough riding conditions, providing long-lasting durability. Smart Brake Sensing & Dual Mode System: Our bicycle light automatically brightens and flashes for 3 seconds when braking, alerting vehicles behind you. Easily switch between Auto and Manual modes by double-clicking the power button. In Auto Mode, the light enters sleep mode after 30 seconds of inactivity and reactivates with motion. Six Lighting Modes with Memory Function: The rear bike light features six lighting modes and two adjustable brightness levels to meet various riding needs. The memory function remembers your last mode setting even after powering off. Innovative Hollow Optical Design: Designed with a hollow optical lens for deeper, more uniform lighting, enhancing visibility and aesthetics for safer night rides. IPX5 Waterproof & Type-C Rechargeable: Built with a highly sealed structure to resist rain and splashes. Perfect for rainy days or muddy trails. Fast Type-C charging takes only about 2 hours for a full charge.