Smart Bike Brake Tail Light IP66 Waterproof, 300LM Super Bright Rear Bicycle Light, 4 Modes & 8 Brightness, Anti-Glare LED, Long Standby for Night Riding

Light Up Your Ride with Unmatched Safety Cycling safety starts with being seen. Introducing our latest Smart Brake Sensing Bike Tail Light, designed to give you the ultimate visibility and peace of mind whether you're commuting in the city or exploring mountain trails. The Smarter Way to Ride This isn't just a regular bike light; it's your intelligent guardian on the road. Equipped with a high-precision G-sensor, the light instantly detects deceleration. In normal mode, it shines brightly at 150 lumens, but the moment you brake, it erupts to an astonishing 300 lumens. This instant doubling of brightness ensures that drivers behind you get a clear, unmistakable warning, drastically reducing the risk of rear-end collisions. Built Tough for Every Adventure Don't let the weather stop you. With an IP66 waterproof rating, this tail light is completely sealed against powerful water jets and heavy rain. Ride through downpours or splash through puddles—it’s built to last. The high-quality anti-glare LED beads provide a broad, even beam that is visible from a great distance without blinding your fellow riders, promoting a safer group riding experience. Customizable & Hassle-Free Everyone rides differently, which is why we offer 4 distinct lighting modes and an impressive 8 adjustable brightness levels. Whether you need a pulsing flash for daytime visibility or a steady beam for a dark trail, you can customize it in seconds. Plus, with the intelligent auto on/off feature, the light activates when you move and powers down when you park, conserving battery for that 4-8 month ultra-long standby time. Easy Installation, Instant Upgrade The tool-free silicone strap mount attaches securely to your seat post in seconds and fits a wide range of tube diameters. Upgrade your bike today with a light that thinks for itself, so you can focus on the ride ahead.

• Smart Brake Sensing, Instant High-Brightness Warning： Equipped with a sensitive built-in acceleration sensor. When deceleration or braking is detected, the tail light instantly switches from warning mode (150 lumens) to brake flash mode (300 lumens) with doubled brightness. Effectively alerts vehicles behind you, significantly enhancing night riding safety
• 4 Light Modes & 8 Brightness Levels, Fully Adjustable： More than just a tail light, it's your cycling companion. Offers 4 different lighting modes (Steady/Breathing/Flashing/Pulse, etc.) to meet various road conditions, plus 8 levels of brightness adjustment. Whether for urban commuting or off-road training, you can always find the most suitable lighting setting
• IP66 Professional Waterproof, Defies Rain and Challenges： Features a tight waterproof structure design with IP66 certification, capable of withstanding heavy rain flushing and water jets. Whether riding in rain, snow, or through water, it ensures internal circuit safety, accompanying you to conquer all kinds of harsh weather
• Premium Anti-Glare LED + Ultra-Long Standby： High-quality anti-glare LED beads emit soft, uniform light without dazzling riders behind, ensuring high brightness and long-distance visibility. Built-in energy-saving chip provides 4-8 months standby with intelligent on/off, reducing frequent charging hassles
• Smart On/Off, Easy Installation： No manual switch needed! Features a built-in vibration sensor—automatically turns on when the bike moves and turns off after being stationary for a while, completely avoiding the embarrassment of a dead battery due to forgetting to turn off the light. Comes with a quick-release silicone strap for tool-free, secure installation on most bicycle seat posts