This product is sold by: Unit.Sleep Monitor Mode:Grades your quality of sleep within a percentage range up to 100%. The watch's internal motion detection circuitry along with personal statistic input data grade your rest quality. Factors including the users age, time resting and sleeping movement are taken into consideration when given a grade. 7 Day History Record RecallTotal Sleep Time MonitoringSleep Grade Indication: 0 - 100%Pedometer Mode:Displays Total Steps Taken & Distance TraveledUser Configurable Stride SettingsCalories BurnedExercise TimeStop Watch Mode:Single Button ActivationPause & Resume AbilityMinute, Second & Milli-SecondsWatch Features:'Shake to Wake' LED Backlight FunctionSelectable Monitoring Modes: Sleep, Pedometer, Stop WatchTime & Date DisplayDaily Alarm SettingDisplays Calories BurnedBuilt-in Memory Data Record Recall7 Day Personal Data Statistics HistoryBuilt-in Automatic CalendarKey Tones/ChimesSimple Button ControlsDigital Electro-Luminescent Display 5 Activity Reminders (Jogging, Gym, Hiking, Biking & Swimming)Time Selectable: 12/24 Hour Time FormatDistance Selectable: km or milesWeight Selectable: kg or lbBattery Powered: (1) x CR2032 Cell Battery