Preva DC is a high frequency intraoral X-ray system that provides exceptional image quality. The smooth, drift-free arm is balanced in the factory, and a proprietary braking system provides drift-free positioning. The Preva?s 0.4 mm focal spot allows for visibly higher resolution images when using digital receptors, phosphor plates or film. Only Preva DC offers such a powerful combination of features designed to provide incredible flexibility, razor-sharp images and years of productivity. Adjustable kV, mA and time 0.4mm focal spot Large, easy to read display Unique sensor selection feature Easy to understand icons Unsurpassed arm stability