Bicycle Rim Lights,Rottay Waterproof Bicycle Wheel Lights Bike Spoke Light With 32-LED and 32pcs Changes Patterns for MTB Wheel Tire

Features:The product consists of 32pcs colorful LED lights. It can flash 32 different kinds of patterns, each pattern will be changed every 4 seconds. Pattern is clear and complete when speed up to 12.4 miles/hour. In automatic mode the lights only turn on when it is dark out and your wheels are turning; in manual mode, the lights stay on full time. 3 AAA batteries are needed to operate the product. (NOT INCLUDED) Feel free to use on rainy days, the light is fully waterproof. Specifications: Brand name: RottayProduct Dimensions: 6.02 x 3.74 x 0.79 inchesNet Weight: 2.77 ounceBattery: 3 x AAA battery (not include) Picture: 32 patternsAdaptability: Bicycle tires over 20 inchesSpeed Per Hour: 12.4 miles per hour (whole picture) Working Time: More than 24 hoursMaterial: PC plasticPackage Includes: 1 x Rottay Waterproof 32-LED Bicycle Bike Rim Lights