1. Battery: 900mAh
2. Rechargeable battery, 50 hours running time after full charge on flashing mode.
3. IPX6 waterproof design brings up a perfect streamline body and water resistance. suitable for use in small to moderate rain environment, please do not immerse the product into water or use in heavy rain environment; please plug the USB cover tightly while use.
4. Fixing method: tube.
5. Red streamlined high-brightness LED, brightness 35LUX, six flashing modes.
6. Brake automatic detection function, tail light will fast strobe to warn the cars behind you once you brake the bicycle.
7. This product uses the built-in chip to detect the brake function. It may affected by the road conditions, there will be some misdetection in rare cases. Turn off the brake detection function: In USB charging mode, long press the switch, the light will always be constant on; restore the brake detection function: long press the same switch, the light will flash.