You will get: 4 rechargeable LED bike lights in 2 colors, 2 in each color, enough for you to use and replace; and with its own USB cable, you can easily charge the bike lights. 4 flashing modes: The bicycle taillight is designed with 4 modes: full light, half light, fast flash and slow flash, allowing you to choose the suitable mode according to different riding situations, reminding other riders and drivers and bringing you a great experience. safe driving.< /br> Waterproof and durable: The bike light is made of ABS material and LED light. It is waterproof and tasteless, durable, not easy to break, reliable material and long service life. General size is suitable for most bicycles and can be used as rear lights or bicycle lights. Simple installation: The one-click disassembly button allows you to install the bike tail light, and the installation can be done without tools. You just need to slide the light out of the mounting seat without disassembling the entire mounting bracket; the silicone strap is designed with 4 openings, which can be installed. Securely clamp handlebars and seatposts of most sizes. USB Charging: The rechargeable LED bicycle lights have a built-in 220mAh rechargeable lithium battery. Press the switch for 0.7 seconds to turn on/off, press the switch for 0.1 seconds to switch modes; each lamp is equipped with a charging cable, which can be connected from your computer, mobile power or charge any device with a USB port. Note: Please always pay attention to the battery power and charge it in time, so as not to affect your driving safety. Product size: 7cmx2cm. Shipping Quantity: 4 pieces.