With a color LCD display, high speed thermal printer, disposable pneumotach, advanced Omnia software for data management, respiratory muscle strength (MIP/MEP), airways resistance Rocc, and Integrated Digital Oximeter Pony FX desktop is the new landmark in spirometry testing (FVC, SVC, MVV, and Bronchial Challenge Test. It includes an internal memory that allows the storage of vast date and an alphanumeric keyboard. In addition, it features forced/slow vital capacity, maximum voluntary ventilation, respiratory pattern, bronchial challenge test (Pre-port), and Bronchial Dilator Test. Physicians can also choose airway resistance (ROCC/RINT), maximum Exp-Insp Pressure (MIP/MEP), and Integrated pulse Oximetry (SpO2) as additional options.