MULTIFUNCTION - It’s more than a light for bike. Suitable for cycling, fishing, running, dog walking ,hiking, camping, changing a tire, night time family, kids activities or other activities. You can also keep it inside your car,basement,attic,and emergency kit as an emergency flashlight. The lamp can be used as a power bank, If your phone lack of power during the riding, you can use it to charge your phone. QUICK INSTALL - Easy to install in 5 minutes,no tools required. With our new upgrade mount and 360° rotate to shine literally any direction you want. Guaranteed to fit most bikes,Mountain bikes, kids & road bikes. Widely apply to biking,camping,hiking,running,cycling. IPX5 WATER RESISTANT - The best bike light for men, women and children who love riding and outdoor sports. Waterproof bike headlight against splashing water from any angle. Specially designed for Cyclists riding in urban environments. Drivers of oncoming traffic or other pedestrians will thank you for not blinding them. ADJUSTABLE WORKING MODES - The bike light can switch between 3 modes and 5 modes. When it's off , holding down the button for 2 seconds till the red and green light flashing to change to 3 modes (high / Low/ Strobe). When it's turn off again , holding down the button for 2 seconds to change to 5 modes ( high / medium / low/ strobe / sos ). Taillight 5 modes (Strong/ Marquee 1 / Flash / Marquee 2 / Breathing). Adjust according to your preferences. DISTINCT DESIGN - USB rechargeable bicycle light set with built-in powerful rechargeable battery pack. No wires or external battery accessories needed. Max output 4000 lumens , light your way max up to 1640ft . Ensure you stay visible the road and cycle safely. Portable, powerful and convenient. 4 hours on high brightness working mode. 10 hours on low brightness working mode.International Protection Rating: IPX5. Auto Part Position: Rear, Front. Brightness: 4000 Lumen. Number of settings: 3, 5. Item Dimensions LxWxH: 3.94 x 1.77 x 0.98 inches. Mounting Type: Handlebar Mount. Power Source: Battery Powered. Material: Aluminum. Brand: Gyhuego. Color: Green,Red. Date First Available: December 8, 2019. Best Sellers Rank: #16,669 in Sports & Outdoors. Customer Reviews: 4.6 out of 5 stars 2,994 ratings 4.6 out of 5 stars. : B082GXHD4P. Sport Type: ?Cycling. Part Number: ?GYMLHTKX3. Manufacturer: ?Gyhuego. Material: ?Aluminum. Color: ?Green,Red. Brand Name: ?Gyhuego. Item Dimensions LxWxH: ?3.94 x 1.77 x 0.98 inches. Package Weight: ?0.35 Kilograms. Item Package Dimensions L x W x H: ?5.67 x 4.61 x 1.81 inches.