?Main Features:<br />LED cycling tail light、 makes your night riding safer<br />Built-in 350mAh battery、 charged by devices with USB ports、 such as power bank、 computer、 power adapter<br />High brightness、 normal brightness、 flash and gradual changing 4 modes for selecting<br />Easy to install (with silicone band in package)<br /><br />Note: If you want to turn on gradual changing mode、 please press the button for 0.9s (press for 0.9s to turn it off while on this mode)<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />    Specifications<br />General<br />	 Brand: LEADBIKE                                                  <br />                        Type: Bicycle Lights                                                  <br />                        Material: Plastic                                                  <br />                        Suitable for : Bike、 Mountain Bicycle、 Road Bike                                                	<br />Specifications<br />	 Led Quantity: 4 pieces                                                  <br />                        Lumen: 10 LUX                                                  <br />                        Working time: 4 - 8 hours                                                  <br />                        Color: Black、 Green、 Silver                                                  <br />                        Modes: 4 Modes                                                  <br />                        Condition: 100% New                                                	<br />Dimension and Weight<br />	  Product weight : 0.019 kg                                                  <br />                        Package weight : 0.049 kg                                                  <br />                        Product size (L x W x H)   : 4.8 x 4.6 x 1.8 cm / 1.89 x 1.81 x 0.71 inches                                                  <br />                        Package size (L x W x H)  : 10.0 x 4.0 x 11.0 cm / 3.93 x 1.57 x 4.32 inches                                                	<br />Package Contents<br />	 Package Contents: 1 x Cycling Light、 1 x USB Charging Cable、 1 x Rubber Band                                                	<br /><br /><br /><br />                                                <br />