... and automatic range selection. It can quickly measure different 7 material (Hard wood , Soft wood , Cement or Concrete plane , Anhydrite plane , Cement mortar ... display:3 digitals. Measurement selection: Material 1: 8.9~95.7% (Hard wood such as Beech, Spruce, Larch, Birch, Cherry, Walnut and ... so on) Material 2: 7.1~80.0% (Soft wood such as Oak, Pine,Maple,Ash-tree,Douglas ...