Maximize your visibility with this amazing taillight. The Blinky 7 aims 7 bright LEDs directionally to provide over 220 degrees of light visible from up to a mile away! The ultra-compact case is weatherproof, light and durable. And, the Blinky 7 includes a bike mount, clip mount and arm strap. Plus, the included 2 AAA batteries offer run times of up to 100 hours.