4 Pack USB Rechargeable Bike Light Set, Super Bright Front And Rear Headlight,Made Of Premium Plastic Shell And High-Quality LED Lamp Beads; Not Easily Damaged.Easy To Install: The USB Rechargeable Bike Light No Tools Needed, Easy To Mount Or Remove, The Silicone Mount Straps Are Designed With six Openings That Tightly Fit Around Many Size Seat Posts, Handlebars, Seat Risers, Backpacks, Helmets And Stretch To Keep Lights Secure And Firm.Light Mode Options: The Headlights And Taillights Adopt a Two-Way Independent Light Control Switch Design With Different Lighting Modes Depending On Your Preference.The Red Taillights Internal Spot Light And External Flood Light Respectively Have Hight ,Mid,Low,Warning Flash,Slow Flash,Fast Flash.This Bicycle Headlight Is Divided Into White Light And Warm Light. The Right Button Controls The White Light And The Left Button Controls The Warm White Light. The Upper And Lower Lights Can Be Controlled Independently, Allowing You To Choose Freely!3Modes: Hight ,Mid,Low Brightness.This Bike Light Set Is Versatile offers an intense spotlight for long-range,External Flood Light for large area illumination;Enough For Cycling, Hiking, Camping, Or Any Outdoor Activity, And Also Can Be Used As Emergency Flashlight In Places Where Visibility And Safety Are Concerned.