Multifunctional Outdoor Bicycling Running Warning Light Bicycle Taillight LED Back Clip Light

1.A good choice for outdoor sports especially doing sports at night or in the early morning .
2.Four LED lights , simple and fashionable.
3.IPX-4 waterproof design ,adapt to use with multiple environment.
4.Back clip lamp can use buckle on many different places.
5.4 modes : long press 5 seconds to switch the light ,single press can switch 4 different modes freely.