... warterproof 2, Waterproof 3, 14 blue LED light 4, 40 design patterns and 5 word patterns Led bike wheel spoke ... Install 3 AAA batteries per diagrams2, Install bike spoke light unit on front wheel on any spoke with the LED's ... facing either the left or right side of bike3 Install the sensor unit on the ... not touch it.4, If you installed the unit facing the left side of your bike, the letters ...