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.帶預置功能 With presetting function. 4.超大顯示屏，超大顯示字體，讀數更清晰 Large display and large font for easy reading./Big LCD for easy reading.
