Bicycle Bike Light USB Rechargeable Led Head Front Rear Tail Light Lamp <br /><br />Specification:<br />Shell Color: Black<br />Lighting Color: Red \/ White<br />Light Mode: Lasting\/Fast twinkle\/Slow twinkle<br />Dimension: 32 X 33 X 42mm \/ 1.25X1.29X1.65 inch<br />Power: Built-in Lithium battery｣ｬ USB charging<br />Charging Time: 3-4 hours<br />Lighting time:12-20h<br />Brightness:50LM<br /><br /> Features:<br /> Small and portable｣ｬ more suitable for installing on the headset｣ｬ stem｣ｬ fork etc.<br /> With quick release band｣ｬ convenient for installation and removal.<br /> With 3 lighting modes｣ｬ bright lighting｣ｬ energy saving and safer for cycling.<br /> <br /> Note:<br /> Red lighting and purple lighting will alternately appear for the  Black&amp;amp;Red type｣ｬ please pay more attention to it.<br /> <br /> Package Includes:<br /> 1 X Bike Light <br /> 1 X USB line