LED particle bead light with intelligent sensor which detects acceleration, deceleration as well as tilting to show the left, right, forward or stop signals.
• Intelligent design can sense acceleration and deceleration of bicycle
• Never waste your money on batteries again. Built-in 1200mAh Li-ion battery, and its recharging time is about 3.5 hours
• The infrared ray light has high visibility, and its wavelength is 400 - 750nm
• Replaceable backside strap
• Perfect for improving your safety when riding a bicycle in the dark
• It is powered through micro USB interface