LED Bike Wheel Lights - Waterproof Bicycle Wheel Lights Ultra Bright Bike Spoke Lights Bike Tire Lights Safety Adult and Kids Bike Accessories Cool 14 LED 30 Patterns Bike Lights for Wheels(1 Pack)

Product Description: Material: ABS 14 pcs LED lamp beads Product Dimensions(inches): 4.33 * 2.76 * 0.59 Weight: 1.13 ounce Battery: 1 x AAA battery (Not included) Graphics: 30 patterns changes every 4 seconds Working Time: 8-10 hours Switch: Auto Open/Close Features The light equipped with light sensor and movement sensor flash only at night and action. light glows when bike moves turns off after stop moving for 30 seconds. Fun pattern effects controlled by your riding speed. The faster you ride the more complete and beautiful the patterns are. Bike wheel lights led waterproof designed Comes with excellent leakproofness capable to prevent water from penetrating inside the battery so you don t need to worry about riding in the rainy day So especially useful if you fancy a late night bike ride. Awesome Birthday Gifts & Popular Christmas Presents for Kids Children Adults Boys Girls and yourself. Important: When the batteries are put into the bike light the light shows up for couple seconds and then it is out the light will not flash at bright environment only flash at night and action.