1、1. 9 kinds of light mode LED bicycle lights, can be switched freely-high light / low light/flashing/breathing/streamer/horse racing / triple flashing / deep breathing / small horse racing. A variety of light modes provide greater visibility during night driving, ensure excellent safety, and make your riding safer and more enjoyable. 2、2. Brand new and high-quality, LED bicycle light sets are made of high-quality materials, durable, with excellent thermal conductivity, very stable, high-brightness and energy-saving LEDs. Suitable for all bicycles, mountain bikes, racing bikes, city commuters, hiking bikes and children's bikes. 3、3. The LED bicycle light set is easy to install, has no tools required, is small in size, is easy to carry, large illumination range, and has a wider field of vision when driving at night. 4、4. The LED bicycle light battery has good sealing and waterproof performance, allowing you to ride in any weather. USB charging mode, built-in 400 mAh rechargeable battery. 5、5. Super bright bicycle lights, safety lights, daytime running lights, flashlights, super-bright front lights, durable, fast-installed and fastened bicycle lights. [This taillight does not have a bracket] Name: Bicycle Tail Light Material: ABS Colour: Black Size: 4.2 cm * 3.2 cm * 2.3 cm Light mode: 9 light modes Battery: 400mAh Charging: USB charging Waterproof: life waterproof Lifetime: about 4 hours in high light / about 10 hours in low light 1*Bicycle Tail Light 1*USB Cable