Item	bicycle smart wheel light
Material:	TPU Silicone
Waterproof grade	IPX5
Led type	7GRB colorful LED
Switch Modes	Light senor and moverment sensor control
Runtime	10-12Hours
Power Source	2 X CR2032
Feature	Pattern is clear and completely when speed up to 30kms/hour It can flash 12 different kinds of patterns,patterns will be change every 3 second