LIGHT PB RR BLINKY-3 3-LED 200 HR

3 super-bright LEDs and built-in parabolic reflector provide visibility up to 2000ft
Soft touch power switch accesses flashing or steady mode for up to 200hrs of run time
Ultra compact case is weatherproof, lightweight, and durable
Seat post mount, seat stay mounts, jersey clip, and batteries included 2 AAA