1.帶電源開關 Manual power on/off. 2.任意位置清零和公英制轉換 Zero setting and mm/inch conversion at any position. 3.帶數據輸出口 With data output interface. 4.可測量中心距大于5mm的兩孔中心距 To measure the distance between two holes whose center distance is above 5mm.
