– An acoustic signal is sounded at 0°, 45°, 90°, 135° and 180° as an aid to ease the alignment of objects.\n– Angles can be transferred in reference mode.\n– The flip-display feature changes the display automatically when making overhead measurements.\n– Calibration function to recalibrate the sensor and increase the measuring accuracy\n– Powerful adhesion magnets and additional vertical and horizontal vial\n– Milled measuring surface\n– Hold function