-6 Rechargeable Lighting Modes Offers 6 different modes including steady, flashing, and smart brake sensing, providing customizable lighting for various riding conditions and preferences.

-Long-Lasting Battery Life The 400mAh battery in the GL09S model delivers up to 12 to 60 hours of runtime, ensuring reliable performance on extended cycling trips.

-Ultra-Durable & Waterproof Design Built with aluminum alloy body and rated IP66 waterproof, this taillight resists dust, water, and impacts for consistent performance in all weather

-Universal Seatpost Mounting Designed for easy installation on any standard seatpost, this compact 32x30x32mm rear light fits securely and stays in place during rough terrain.