Main Features:<br />Shuts off automatically， it will be off in 3 minutes after the bike has stopped ( the LED lights will keep blinking for two minutes after wheel has stopped )<br />Installed on both front or back wheel ( you need to buy 2 pieces if you want decorate both wheels )<br />14 blue LED light， 40 design patterns and 5 words patterns， patterns change every three seconds<br />Nice tool for decrating your bike， and makes it safer to ride at night<br />Waterproof， no need to worry about bad weather<br />Power supply: 3 x AAA batteries ( batteries are not included )<br /><br /><br /><br /><br />    Specifications<br />General<br />	 For: Unisex                                                  <br />                        Type: Bicycle Lights                                                  <br />                        Material: ABS                                                  <br />                        Features: 40 kinds of patterns and 5 letters                                                  <br />                        Suitable for : Bike， Road Bike， Mountain Bicycle                                                	<br />Specifications<br />	 Led Quantity: 14 pieces                                                  <br />                        Power Source: 3 x AAA Battery                                                  <br />                        Color: Orange                                                  <br />                        Condition: 100% New                                                	<br />Dimension and Weight<br />	  Product weight : 0.060 kg                                                  <br />                        Package weight : 0.120 kg                                                  <br />                        Product size (L x W x H)   : 13.5 x 5.2 x 2.4 cm / 5.31 x 2.04 x 0.94 inches                                                  <br />                        Package size (L x W x H)  : 23.5 x 13.5 x 5.9 cm / 9.24 x 5.31 x 2.32 inches                                                	<br />Package Contents<br />	 Package Contents: 1 x 14 LED Lamp， 1 x Sensing Device， 1 x English User Manual                                                	<br /><br /><br /><br />                                                <br />