Features: Solar-powered light, energy-saving and environmental friendly. 3 working modes: Highlight-flash-weak light Easy to Install & Remove for Safe Cycling. Universal Bicycle Light Design : Can be used for mountain biking & Road Biking & kids bikes & Street Bicycles. USB Rechargeable: Charges from any computer or other device with a USB port. Connect power bank if power nearly runs out, charging while riding which prolonging the lighting time. Specifications: Color: Black, White Product name: USB solar charging bicycle light Flash mode: Highlight-flash-weak light often by 2 sec SOS Material: PS, ABS Light source: 3w LED light bulb Brightness: 240LM Battery: 1200MAH rechargeable lithium battery Fixed way: 360 rotating car folder Charging time: Solar 10 hours USB 4 hours Use time: Highlight 4 hours of weak light flash 8 hours Waterproof grade: IP64 Package includes: 1x USB Bike Head Light 1x Mount 2x Rubber straps 1x USB Charging Cable