The Coby Digital Bathroom Scale with Weight comparison is just what you need. Whether you are trying to lose a few pounds or gain some muscle, this scale is just what you are looking for. This scale has built in memory that detects when you have either lost weight or gained weight from your initial weighs in. When the scale detects weight loss, the display will turn green. When it detects weight gain the display will turn red and if no change has been detected then it will be blue. Each Coby scale is designed with precision strain gauges to ensure accurate readings during each use. With the multi user memory you can keep track of the entire family, up to 10 users total. All Coby Bathroom scales are backed with a lifetime warranty and batteries are always included.