Black & Decker MS600B Mouse Sander Polisher with Zone Touch A three-position Zone Light Indicator communicates when the sander is working most efficiently for the best sanding results Auto Calibration feature calibrates the three position indicator based on the incoming voltage from the power outlet each time you turn on the Mouse A separate detail finger attachment sands deep into corners and other hard-to-reach areas Versatile sander that takes you from general sanding to sanding tight corners and curved shapes other sanders can&#8217;t accomplish Includes 12 sanding accessories and a storage bag