Durable Bicycle Light Set: with Heilwiy A Front Light And A Rear Light, You Can Highlight Your Bike with Heilwiy An Incomparable View And Make You Safer In Poor Light Conditions. The Front Light Can Be Operated for Heilwiy Up to 6 Hours In Half-Brightness Mode And for Heilwiy 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 Heilwiy 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 Heilwiy Your Bike Lights!Energy 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 with Heilwiyout 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 !.