For construction pros and estimators looking for the fastest, most accurate and versatile way to do take-offs from prints and plans. Features 91 built-in scales to cover virtually any application. Includes eight custom scales that can be set by the user to accommodate prints and plans that have been faxed, enlarged, reduced, or are unscaled. Instantly calculates regular shaped areas and volumes. Features accumulating memory, subtract key, pushbutton counter, and auto-count mode. Can be used as a stand-alone device or may be connected to any PC running Windows 98 or later, for input of measurements and values directly into estimating or spreadsheet programs. Includes complete installation and operation manual, long-life batteries, protective hard case, and a full one-year warranty. PC Interface also includes software and 10 foot, 9-pin cable connector with USB port adaptor.