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 port for convenient power replenishment - IPX2 water-resistant design to withstand light moisture exposure - Durable waterproof ABS shell construction - Charging time: approximately 2 hours - Working time: 3 to 6 hours depending on selected mode - Easy installation fits various handlebar and seatpost sizes - 5 lighting modes: High brightness, Low brightness, Flashing, Warning lights, Full brightness (as shown in demonstration) Operation: - Turn on: Press once (within 0.5 seconds) - Turn off: For models with 5 lighting modes, press and hold for 3 seconds; for models with 4 modes, press and hold for 1 second Safety & Design: - High-luminosity LED for improved visibility and safety - Compact and lightweight for easy portability - Unique and distinctive shape for enhanced style - Efficient internal circuit board for reliable performance - Tool-free assembly and disassembly for quick maintenance Package Includes: - 1 x Tail Light - 1 x Headlight Mounting Strap - 1 x USB Charging Cable - 1 x Packaging Box