Bicycle Parts modname=ckeditor Features: No1seller bike light with the slender, neat-cut design and prime light conductor, it can break through the darkness like a sharp edge. It provides extra safety by the super wide-angle illumination. With specially designed rubber band, the light can be securely installed onto frame tubers with various diameters, round or irregular. Built-in Rechargeable Battery Charges from your computer or any device with a USB port. Smart Charging 2 hour charging time Automatic, fully charged cut-off system Smart charging ensures longer battery life Simple control button Conveniently located on top of the light for easy access 4 Lighting modes Steady-Running time up to 4 hours Slow Flash-Running time up to 10 hours Super Flash-Running time up to 12 hours Cycle Flash-Running time up to 8 hours Waterproof and Shockproof Specification: Material: ABS Light: 5 pcs LED Lumens: 50 Battery: 330mAh li-ion rechargeable battery built-in Turn on/Turn off: press switch 0.7 seconds Change Modes: press switch 0.1 seconds Packing Contents: 1 x bike light 1 x USB cable 2 x rubber bands