A pedometer is basically a device that detects the motion of a person and counts each step a person takes. It is also known as a step counter. There are a number of things like time, date, distance, calories etc that have to be set in order to use this device. You can find complete details at the link below:
http://www.campusrec.uci.edu/stepup/pedometers.asp
http://www.campusrec.uci.edu/stepup/pedometers.asp
