Fashion silicone led bicycle wheel light : 1,High quality,waterproof 2,Fashion ... 3,Cheap price ,easy use Fashionable silicone led bicycle wheel light Specifications: 1,Product Size(mm): 45(L)* ... bright LED brightness :10000-12000MCD4,Power:2x CR2032 3V battery 5,Switch: push button on/off 6,Led life ... . 3,Can be mounted on handlebar, seat, helmet, wheel, hub, etc. 4,3 operating modes: Slow flashing mode ...