Bicycle Taillight with Multiple Lighting Modes, USB Rechargeable LED Rear Light for MTB and Road Bikes – Compatible with Seatpost and Handlebar Mounting Features: - USB charging, approximately 2 hours charging time - Working time: 3 to 6 hours depending on lighting mode - IPX2 water-resistant design - Durable waterproof ABS shell material - Easy to install on various handlebar and seatpost sizes - 5 lighting modes: High brightness, Low brightness, Flashing, Warning lights, and Full lighting (as shown in product video) Operation Instructions: - Turn on: Press the button once (within 0.5 second) - 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 Product Specifications: - High-brightness LED for improved visibility and safety - Five selectable lighting modes to suit different riding conditions - Long-lasting battery performance with sufficient power supply - Compact and lightweight design for easy portability - Unique and distinctive shape - Advanced internal circuit board for reliable performance - IPX2 water-resistant protection for everyday use - Simple assembly and disassembly for maintenance Package Includes: - 1 x Tail Light - 1 x Headlight Mounting Strap - 1 x USB Charging Cable - 1 x Packaging Box