NineLeaf Smart Brake Sensing Rear Bike Lights, Bicycle Tail Light, Bike Lights for Night Riding, Auto On /Off, 300 Lumen 220Adjustable Angle 1000M Viewable Range IP65 Waterproof USB-C Rechargeable

Features

• 4 Light Modes 8 Brightness LevelsAdapt your visibility to any environment. Choose from 4 versatile light modes: Slow Flashing, Breathing, Blinking, and Steady Light, with 8 adjustable brightness levels. Perfect for day or night riding, urban traffic or dark trails, this bicycle tail lights LED rechargeable gives you full control over your safety and style
• 220 Beam Angle, Up to 300 LumensBe seen from every angle. The tail light features an ultra-wide 220 beam angle and a high-output 300-lumen brake flash, ensuring you're clearly visible from 500 to 1000 meters away. Whether you're riding on foggy roads or through heavy traffic, this powerful bike rear light offers unmatched visibility and protection
• Brake Sensing TechnologyBuilt-in G-sensor technology detects sudden braking and automatically triggers a 2-second ultra-bright flash to alert nearby vehicles or cyclists. This crucial bicycle brake light function greatly improves safety in traffic, especially at night, during rain, or on downhill roads
• Auto On/Off for Day & NightThis smart bike tail light features a built-in ambient light sensor that intelligently detects lighting conditions. It automatically switches off in daylight and turns on when it' s dark, such as at night or when entering a tunnelno need to press a button. A smarter way to save power and stay protected
• USB-C Charging 800mAh BatteryEquipped with a high-capacity 800mAh rechargeable battery, this bicycle tail light offers extended illumination time to support long rides. The upgraded USB-C port ensures faster, more reliable charging. The low-battery indicator light will change in steps to correspond to different levels of power when the light is turned on, so you are always ready to charge
• Ride Anytime, AnywhereEngineered for real-world riding, this rechargeable bike light features a rugged, IP66 waterproof body that easily withstands heavy rain, dust, and mud. Whether you're commuting through city streets or mountain biking off-road, the solid build quality ensures consistent performance in all weather conditions
• Secure Saddle MountDesigned with a sturdy saddle mount, the brake tail light installs easily without tools and stays firmly in place even on rough roads. The adjustable bracket fits most bike seat posts, ensuring the light remains perfectly aligned and visible from behind