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 for reliable performance in light rain or splashing conditions - Durable and lightweight ABS plastic housing - Charging time: approximately 2 hours - Working time: 3 to 6 hours depending on selected mode - Easy to install on various seatpost or handlebar sizes - Five lighting modes: High brightness, Low brightness, Flashing, Warning, and Full brightness (as shown in product images) Operation: - Turn on: Press the button once (within 0.5 seconds) - Turn off: For 5-mode versions, press and hold for 3 seconds; for 4-mode versions, press and hold for 1 second Specifications: - High-lumen LED for improved visibility and safety - Multiple lighting modes to suit different riding conditions - Long-lasting battery supports extended usage - Compact and lightweight design for easy portability - Built-in efficient circuit board for stable performance - IPX2 water resistance for daily riding conditions - Tool-free assembly and disassembly for quick maintenance Package Includes: - 1 x Tail Light - 1 x Mounting Strap - 1 x USB Charging Cable - 1 x Packaging Box