The new FitScan Breath Checker by Tanita is an innovative, palm-size monitor that detects and measures the presence of annoying or embarrassing breath odors. Simply pull it open to turn it on, breathe into the sensor, and a reading appears on the digital display. Measures odor in seconds. Results displayed in six levels. Measures the amount of volatile sulfur compounds (VSCs) given off by bacteria in the mouth. Easy to read and operate. Convenient and discrete to use.