Each Game Time Schedule Watch comes pre-programmed with a league/race schedule and plays a musical tune at the start time for the event. In addition, each watch is programmed with the results of past events. This patented technology allows your Schedule Watch to be updated each season via the internet by using the specially designed USB connector included with each watch. The watch features an alarm, hourly chime, and EL Backlight. It comes with our one year Limited Warranty