1.Step counter,calorie&distance,is helpful forl your body building plan. 2.Step and weight setting,KM/MI alternative for distance,will make record more accurate. 3.Time display can remind you not to miss your other plan. 4.White LED torch can avoid uncertain hazard when walking at night or in dark place. 5.Red flashlight can be used for emergent use once you happen to get into trouble. 6.There is a rechargeable battery inside,you can wind around the handle for power. 7.It can also recharge for mobile phone during your trip.