Product Description: USB red rear light                                                   
1). 50LM white and red LED light, with 6 modes                                                                

2). Powered by li-ion battery 600mAh. USB rechargeable                    

3). Charging time: 2h, discharging: more than 15h for red light, 3h for white light                                                                      

3). PVC plastic with rubber mount, weight:33g 

4). Comes with a USB cable, rechargeable