Ravemen TR250 Tail Light Description: The Ravemen TR250 Tail Light equips riders with advanced safety and performance designed to keep you visible day or night. With smart brake sensing and wide-angle illumination, it automatically adjusts to your ride, ensuring you're always seen from any direction. The IPX6 water-resistance makes it perfect for any weather. Features: Brake light sensor enabled tail light 5 LED lights project prominent visibility during day and nighttime riding Built-in motion sensor detects braking forces, displaying a 200 lumen output indicating stops Auto on/off mode shuts down light after 2 minutes of inactivity and resumes when motion is detected Side visibility enhanced by internal stripes reflecting light USB-C charging port ensures universal charging solutions Run Time: 4.5 Hours (High, 40 Lumens) 8 Hours (Mid, 20 Lumens) 22.5 Hours (Low, 5 Lumens) 11 Hours (Warning Flashing, 250 Lumens) 9 Hours (Rapid Flashing, 100 Lumens) 10 Hours (Slow Flashing, 100 Lumens) Specifications: Brightness: 250 Lumens (Rear) Battery Type: Rechargeable (USB) Run Time: Up To 18.5 Hours (Rear) Beam Color: Red Color: Black Weight: 51g (Rear) Includes: (1) Ravemen TR250 Tail Light (1) USB Cable (1) Seatpost Pad (1) Short rubber strap (1) Long rubber strap