Electronic Ruler Digital Measuring Curve Irregular Object

Multi Measuring - Linear measurement, circular measurement, arbitrary curve measurement, irregular surface measurement, cylindrical diameter measurement, accumulation/subtraction of 10 historical records, measurement prompt sound, measurement breathing light , Unit switching. Easy to cover your daily measurement needs.

Rolling Electric Tape LCD Digital Screen - Rolling whatever you need to and you would easy to read the result from the LCD. Worry free from the tiny graduation on traditional rulers, good for tailors, students, seniors.