Bicycle Taillight with Multiple Lighting Modes, USB Rechargeable LED Rear Light for MTB and Road Bikes – Compatible with Seatpost and Handlebar Mounting - USB charging port for convenient power replenishment - IPX2 water-resistant design for durability in light rain or splashing conditions - Constructed from high-quality waterproof ABS plastic for long-lasting performance - Charging time: approximately 2 hours - Working time: 3 to 6 hours depending on selected lighting mode - Easy to install and fits a wide range of seatpost and handlebar diameters - 5 lighting modes: High brightness, Low brightness, Flashing, Warning, and Full brightness mode (as shown in product images) Operation Instructions: - Turn on: Press the button once (within 0.5 seconds) - Turn off: For models with 5 lighting modes, press and hold for 3 seconds; for models with 4 lighting modes, press and hold for 1 second Features: - High-lumen LED output for improved visibility and safety - Five selectable lighting modes to suit various riding conditions - Long-lasting battery provides reliable power supply - Compact and lightweight design for easy portability - Supports quick charging via USB - Unique and modern appearance - Equipped with a high-performance internal circuit board - IPX2 rated for daily weather resistance - Tool-free assembly and disassembly for convenient maintenance Package Includes: - 1 x Tail Light - 1 x Headlight Mounting Strap - 1 x USB Charging Cable - 1 x Packaging Box