FOR CHECKING AND TRANSFERRING ANGLES, LARGE LCD DISPLAY WITH CLEAR READING, DIGIT HEIGHT 10 MM, BLADES IN ANODIZED ALUMINIUM WITH PROFILE GROOVES,AND EMBEDDED MAGNET STRIPS, ON/OFF BUTTON AND DATA HOLD FUNCTION, WITH FIXING SCREW, 180° ROTATING DISPLAY, BY PRESSING FUNCTION BUTTON, ZERO SETTING AT ANY POSITION, INCL. 1 X 3 V BATTERY (TYPE CR2032)