Durable Bicycle Light Set: with A Front Light and A Rear Light, You Highlight Your Bike with Incomparable Visibility and Make You Safer In Poor Light Conditions. The Front Light Can Be Operated For Up to 6 Hours In Half-Brightness Mode and For Around 3 Hours In Full-Brightness Mode. While The Rear Light Can Last 4 Hours In Continuous Light Mode.Rechargeable Bike Lights: The Bicycle Light Set Can Be Charged Via A Usb Cable. It Can Be Charged From Your Computer or Any Device with A Usb Port. The Front Light Takes About 3 Hours to Fully Charge The Battery. It Only Takes 2 Hours to Fully Charge The Rear Light. You No Longer Have to Replace The Batteries For Your Bike LightsEnergy Saving & Mutifunctional: The Front Light Is Very Energy Efficient. The Front Light Can Also Be Used As A Flashlight When Running, Jogging, Hiking, Camping, Walking, Cycling or Changing Tires In The Dark.Fast Installation: This Bike Light Can Be Installed and Removed In A Few Seconds without tools. It Can Be Mounted Almost Anywhere It Fits Your Bike, Lawn Mower, Snow Blower, Skateboard, Wheelchair, Motorcycle, Tricycle, Grill, Scooter, Boat, Kayak and Much More .