Description: Q2 European Union patented products for cycling lights, please look for genuine productsImitations must be investigated Product Name: Multifunctional Bicycle Warning taillight Battery:250mAh built-in lithium battery Charging: USB direct charging Duration: 3 hours Discharge: 6 hours Mode: Six-speed mode Weight: about 20 grams (including fixed aprons) Shell: ABS engineering plastic shell Style: red light/ white light Size: about 3x2cm Specifications: Built-in 250mAh polymer lithium battery, USB fast charge, multiple charging methods to choose from Strong waterproof, no fear of wind and rain, normal lighting in heavy rain 6 modes: strong light, medium light, low light, slow flash, fast flash, burst flash One lamp has multiple functions, amazing multiple functions Package Included: 2*car lights 2*Tie 2*charging cable