This smart bicycle brake taillight is your ideal safety companion for commuting and cycling. Equipped with 3 smart sensors — brake sensing, light sensor and vibration wake-up, it features vehicle-grade AUTO mode: it turns off automatically under bright sunlight, and lights up automatically at dusk, in tunnels, foggy weather or at night. It instantly boosts brightness for 2 seconds when braking, alerting vehicles behind you effectively to avoid rear-end collisions.
Built-in 600mAh lithium battery delivers up to 70 hours of ultra-long runtime. It supports USB-C fast charging and can be fully charged within 2–3 hours. LED indicators show battery status: green for sufficient power, red for low power, flashing red for critical low power. Rated IP66 dustproof and waterproof, it works reliably even on rainy days.
4 light modes are available: Slow Flash (Auto), Breathing (Auto), Fast Flash and Steady On for different riding scenarios. Two mounting brackets are included. The silicone strap mount fits 25–32mm round seat posts, while the seat bow mount can be fixed on the saddle bow or rear rack. Quick to install and compatible with most bikes. Compact and lightweight, with 52 lumens brightness and 100–200m warning range, it keeps you safe on every ride.
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