Extreme Zone NutriGuide Nutrition Sports Science Electronic Calculator (Needs replacement of CR2450 3V battery) Tracks 8 essential nutritional values: calories, total fat, saturated fat, fiber, cholesterol, sodium, protein, and carbohydrates Calculates the daily and weekly percentage of protein, carbohydrates, and total fat 10,000 foods in database, including 4,500 dining out and restaurant foods Empowers you to make informed eating decisions instantly Takes the guess work out of eating out