Length of blade: 300 mm Arc: 200 mm Mesuaring Range: 0-180° Reading: 0.05° Max. total accuracy +-: 0.3° for high precision accuracy and safety reading ; LCD display with clear reading. digit height 10 mm ; stainless. hardened and fine ground ; On/Off button. with fixing screw ; zero setting at any position. with data hold function ; reading of values in display by 180° switchable ; incl. 1x 3 V battery (type CR2032. art. no.: 20 02093). with operation manual made in china