Lookatool 14 LED Motorcycle Cycling Bicycle Bike Wheel Signal Tire Spoke Light 30 Changes 100-percent-cotton-jersey 100% brand new and high quality. It can flash 30 different patterns,and the patterns will be changed every 4 seconds. Patterns is clear and completely when speed up to 20kms/hr. The product is consist of 14 pcs colorful LEDs. Battery: Operated by 1x AAA(NOT included),could be max to 12hrs when it works.