The TSI DG-20 Digital Tire Inflator represents simply one of the most accurate and easy to use digital tire inflators on the market today. Featuring a large, clear & easy to re ad digital display with a back light feature, the DG-20 is designed and built for the toughest shop environments. The durable LCD display is further protected by a large full body rubber shock boot which is included. The DG-20 is programmable by the User to display in four units: PSI, BAR, KGF and KPA. Extremely accurate, the DG-20 services inflation ranges from 0-175 PSI with an accuracy of +/- 1% full scale. A simple inflate and/or deflate control allows for precise inflation control by the User. The TSI DG-20 comes equipped with a 48 inch inflation hose assembly with a locking straight chuck.