Do you want a kind of useful turn signal light for your ? This is a professional warning light, and durable. Smooth surface, no burr, stable longevity. They are not easy to damage. USB rechargeable tail light prompt for your safety . Features -Color: Silver -Material: Plastic and aluminum alloy -Size: About 4X3X3cm/1.57X1.18X1.18in -Light source: led -Luminous flux: 15LM -Viewing Distance: 200m -Protection grade: IP65 -Using time: strong light mode 5h, other modes 10h -Battery capacity: 380mAh - The appearance of the turbine is designed to meet the rider's mentality, small, light and faster. - the to , and long press the toggle mode. - Usb charging, it can be connected to computer, charger and mobile phone charger for charging. - 380mAh polymer battery improves battery life. - Running horse light 1 > tai chi -> breathing -> flash a > slow flash. Package list: 1 x light 1 x usb cable