4/6 Modes LED Bicycle Cycling Tail Light USB Rechargeable Bike Warning Light Ultra Bright Bike Light USB Rechargeable Bicycle Tail Light 4/6 Modes High Intensity Rear LED Accessories Fits On Any Road Bikes & Helmet, Easy To Install for Cycling Safety Flashlight. Specifications: Type: USB Rechargeable Bicycle Tail Light Material: Silicone, ABS, PS Light Color: Red / White /Red-White/Red-Blue Light Source: 16 COB lamp beads Waterproof rating: IP64 Battery Capacity: 3.7V 500mA Charging Time: 2 hours Use Time: 2-6 hours Features: ✦ Super bright LED light to warn on the road. high visibility up to 200 meter visible. ✦ Nice texture, lightweight ,fashion and skidproof, IP64 dustproof waterproof level. ✦ Use Time: 2 hours of charge, the use of up to 6 hours. ✦ USB rechargeable lithium polymer battery, automatically filled with electric cut off the system. ✦ Silicone strap suitable most bike handlebar (applicable diameter: 17 - 32mm). ✦ Quick and easy installation without any tool, quick release rubber strap. ✦ Application: Bicycle helmet light, mountain bike rear light, road bike lights, kid's bike safety light... ✦ A good partner for safe riding at night, suitable for mountain bike cyclist. Package including: 1 x USB Rechargeable Bicycle Light （Red / White /Red-White/Red-Blue） 1 x USB Charging Cable 2 x Rubber Strap Note: 1. Do not charge over 5V the battery will result in damage. 2. Do not look at or shine this lamp directly into eyes.