http://www.ureabreathtest.com/13c-infrared-spectrometer/13c-urea-breath-test-analyzer-ir-force-500.html
4-Channel 13C Urea Breath Test Analyzer, can detect 2 people at the same timeTouch Screen, Windows SystemHigh precision (0.3‰), High reliabilityEasy to UseTest time less than 3minsSFDA approval, CE Certificate