Bicycle Taillight with Multiple Lighting Modes, USB Rechargeable LED Rear Light for MTB and Road Bikes – Compatible with Seatpost and Handlebar Mounting - USB charging enabled - IPX2 water-resistant design - Durable waterproof ABS shell material - Approximately 2 hours charging time - Operating time ranges from 3 to 6 hours depending on the 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 product images) Operation Instructions: - Turn On: Press 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 Features: - High-lumen output for improved visibility and safety - Five selectable light modes to suit different riding conditions - Long-lasting battery performance across all modes - Compact and lightweight design for easy portability - Built-in USB fast charging capability - Unique and modern shape for enhanced aesthetics - Advanced internal circuit board for stable performance - IPX2 rated for daily weather resistance - Simple assembly and disassembly for maintenance Package Includes: - Tail Light x 1 - Mounting Strap x 1 - USB Charging Cable x 1 - Packaging Box x 1