USB RECHARGEABLE Design for long-term use, the rear bike light can work up to 50 hours after full charging(different modes has different battery life), it can be easily charged via computers, chargers or power bank.
HIGH QUALITY & LIGHT: Aluminum alloy body make the bike light sturdy and anti-drop, optical lens and COB Light keep the light bright and not dazzling.
Simple installation: Choose between the Saddle Bracket and Seat Post brackets for mounting on either the saddle rail or seatpost to suit your preferences. No additional tools required, easily detaches from the mount for portability and theft prevention.
IPX5 Water - repellent and dust-repellent design make the bike rear light work well even you get caught in the sudden rain, meets daily cycling needs, do not recommended to soak in water or liquid for a long time.
FIVE MODES SWITCH: The bike rear light has five modes to switch: 1. Red normal flash 2. Red&Blue flash 3. Colorful breathing flash 4. Two lights fast flash 5. Red steady on. Five modes for your choice, improve the safety of riding while also enhancing the fun, make you different in the crowd.