Lifetrak Ltk7c2007 Lifetrak Core Watch C200: * Automatic tracking * All day calorie burn * All day steps * Auto-calibrated distance * Advanced calorie tracking * Proprietary calorie algorithm integrates heart rate and activity data * Provides a full day"s record of calories burned * Dynamic distance calibration * Enhanced step filtering * Filters out false steps from step count * 7-day records * Hourly records * ECG wave reference * Stores heart rate taken * No charging * Waterproof * Fully submersible to 90" * Comfortfit band * Reversible/interchangeable bands for full customization * Additional band colors available * Color: black/white