3 super-bright LEDs and built-in parabolic reflector provide visibility up to 2000ftSoft touch power switch accesses flashing or steady mode for up to 200hrs of run timeUltra compact case is weatherproof, lightweight, and durableSeat post mount, seat stay mounts, jersey clip, and batteries included 2 AAABlack2RearClamp4UPC/EAN/GTIN: 642016300905