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 100 hrs of run time. Ultra compact case is weatherproof light weight and durable and can clip to a jersey or seat pack. Includes self-leveling helmet mount seat post and seat stay mounts and (AAA x 2). Reflective lens & exclusive Scotchlite side strips