This tool is invaluable for many angle measuring and transfer applications. It is simplicity itself to operate. The main body houses the electronics that provides a very clear detailed LCD display. The body incorporates a leveling vial and the pivoting arm. When the arm is moved the angle it makes with the base is displayed to the nearest 0.05°. The measuring range is 0º~225º at each locking point. The vial allows variations from the vertical and the horizontal to be accurately measured. Other features include a hold function to prevent the last measurement being lost, a low battery indicator and automatic shut off function.