Main Features:<br />This armband will make it safer for you to do some exercise at night<br />Fashion and stylish， you can wear this at both daytime and night<br />Velcro sticker buckle， easy to wear or take off<br />Adjustable length ( 30-35m， width 2.5cm )， fits most arm size<br />Powered by 2 x CR2032 battery ( batteries are included )<br />Normal lighting， strobe， flash 3 modes for adjustment ( controlled by switch )<br />Suitable for night riding， running， walking and daytime outdoor hiking， camping， climbing etc.<br />Note: The luminous efficacy of colorful type is the other colors change in regular<br /><br />    Specifications<br />General<br />  For: Unisex                                                  <br />                        Type: Bicycle Lights                                                 <br />Specifications<br />  Power Source: 2 x CR2032 Button Battery ( included )                                                  <br />                        Color: Pink， Orange， Multi-Color， Yellow， Green， Blue， Red                                                  <br />                        Condition: 100% New                                                 <br />Dimension and Weight<br />   Product weight : 0.095 kg                                                  <br />                        Package weight : 0.135 kg                                                  <br />                        Package size (L x W x H)  : 39.0 x 4.0 x 2.0 cm / 15.33 x 1.57 x 0.79 inches                                                 <br />Package Contents<br />  Package Contents: 1 x Arm Band， 2 x CR2032 Battery                                                 <br /><br /><br /><br />                                                <br />