Blink, blink, blink2whether you're biking home from school or on a long training ride, the Planet Bike Blinky 3 LED taillight keeps you visible every time you hop on your bike. 300% brighter eXtreme LEDs. 3 Superbright LEDs and built in parabolic reflector provide visibility for up to 1 mile. Flashing and steady mode. Ultracompact case is weatherproof, lightweight, and durable. Up to 200 hours of run time on 2 AAA batteries included.