High blood pressure is the leading cause of heart attacks and strokes. Color Doctor provides an easy and accurate way to monitor your blood pressure.You’ll get accurate results in less than a minute on a color-coded screen. Green means your pressure is good to go and normal. If the screen turns yellow, caution! Your blood pressure is elevated. And if it turns red, STOP! Your blood pressure is dangerously high. Along with reading your heart rate, Color Doctor will also alert you to an irregular heart beat. Too many people don’t know they suffer from high blood pressure until it’s too late. Don’t let it happen to you! Get Color Doctor today! This item needs batteries, AAA, which aren’t included.