[Easy Install & Remove] The bicycle lights is no tools required, easy to attach and remove, whether walking your dog, cycling, skate boarding, hiking, motorcycle or Anti-theft. Don't worried about they are stolen while you shop. [USB Rechargeable Battery] From now on, you don't need to go to the store buy the AA battery. Both of the bike lights have built-in rechargeable battery, just need the USB cable to charging. Save your money on batteries again and again. [Great Value] USB charging cords and rubber straps included for each light. One Red lense and one White light. The front lights Utilizes 2 LH351B LEDs, The red light has 14 ultra bright LED. These are a great value and will help keep you safe on your travels! [Super Bright] These lights are super bright which is what you want when you cycle at night all the time. The headlight light up a large enough area to see where you're going in the dark. The red tail light is brighter than most people using. You would be seen from all the way down the street. [Multiple Options] Several option available, provides you good visibility and 360° protection. The front white light with 4 options (high, medium, low, Strobe)?the tail red light with 6 options (high/medium/low brightness, fast/medium/slow flashing) .You can click the button to switch modes as you needed, DOUBLE CLICKS to enter strobe mode, long click about 1 second to turn off.