With the Topeak HeadLux Dual USB, you have two lights in one. The dual-sided helmet lamp illuminates the roadway with two strong white LEDs at 140 lumens and ensures your visibility from behind with an impressive 10 lumens in red. The USB-rechargeable lamp can be quickly and flexibly mounted on the helmet or the left fork side using the included rubber strips. Weighing only 40 grams, the plastic housing makes the lamp lightweight and resistant to heavy rain and splashing water. **Features:** - 140 lumens maximum brightness in front, 10 lumens in the rear - 2 white and 2 red high-power LEDs - 3.7V 6800mAh lithium-ion battery - Rechargeable via USB, 2 hours charging time - 4 modes - high = 3.3 hours burn time - middle = 5.5 hours burn time - low = 33 hours burn time - front middle/rear blinking = 28 hours burn time - Waterproof (IPX 6) - Optical indicator for low battery status - Flexible, tool-free mounting on helmet or fork **Contents:** - 1 x Topeak HeadLux Dual USB including 2 rubber strips and charging cable