The Lezyne Strip Drive Pro Tail Light is optimized with Lezyne's new Wide Angle Optics lens (270deg of visibility) and received a massive 32.5-hour increase in maximum runtime for up to 53 hours. It still features a class-leading 300-lumen Daytime Flash mode, in addition to 10 other output options thanks to its five LEDs. Its co-molded construction is now more compact, and can be mounted to aero or round posts. Equipped with a micro-USB port, charging is simple and efficient. Features: Extremely bright rear LED taillight provides up to 300 lumens from 5 high output LEDs Nine output modes with up to 53 hours of run time USB charging time of 2.5 hours Silicone strap fits different diameters and shapes of seatpost Specifications: Brightness: 300 Lumens Battery Type: Rechargeable (Micro USB) Run Time: 5 - 53 Hours Beam Color: Red Color: Black Weight: 53g