With rising fuel costs and the advent of the green consumer more cyclists are sharing the road with motorists each year. The number of accidents involving automobiles and bicyclists has increased at an alarming rate. Bicycle lighting system is an exciting new ultra-bright lighting product that significantly increases the visibility of the bicycle rider to the motorist. This wheel light will give a different dazzling effect that will enhance the cycling experience of the young and old alike - Flash Wheel Light for car/motorcycle/bike - Automatically on when the wheel runs/off when the wheel stop running - Compact design and lightweight High intensity light increases visibility at night for safety - Makes impressive effects which vary with wheel speed -- all the way up to full motion circle - 3*AG10 batteries included (replaceable)