... lights *High-quality and waterproof *Fashinable design, unisex *Cheap price and easy to use *CE&SGS&ROHS Utility mountain bike front lights ... led flashing Specification:1)Product Size(mm): 45(L)*32(D ... , seat, helmet, wheel, hub, etc. · 3 operating modes: Slow flashing mode, Fast flashing mode, Constant mode (change mode by pressing the button ...