?<strong>Features:</strong><br />Programmable design: You can easily design the pattern as you like.<br />32 LEDs with four colors (blue， green， red and orange)， double-sided.<br />Light with 32 gorgeous and cool flower patterns shining by turns.<br />Equipped with light sensor and movement sensor， flash only in the dark and action.<br />Fix on spokes of bike with three rotary bolts.<br />Powered by three AAA batteries (not included).<br />Water proof， can be used in rain.<br /><br /><strong>Note: </strong>The wheel light can be used in rain but can not be soaked in the water.<br /><br /><strong>Specifications:</strong><br />Quantity of LED: 32<br />Color of light: Blue， green， red and orange<br />Material: Plastic<br />Limit of wheel diameter: 20in and above           <br />Requirement of speed: 20km/h and above<br />Wheel light size: 16 * 9 * 2.3cm / 6.3 * 3.5 * 0.9in (max.)<br />Wheel light weight: 65g / 2.3oz<br />Package size: 16.5 * 10 * 2.3cm / 6.5 * 3.9 * 0.9in<br />Package weight: 122g / 4.3oz<br /><br /><strong>Package including:</strong><br />1 * 32-LED Wheel Light<br />1 * Software DC<br />1 * USB Cable