The toolbox is a collection of a variety of gadgets, it contains a ruler, a protractor, level meter, compass, mirror etc..
Ruler: supports centimeters and inches, and supports cumulative measurement, to avoid the burden of manual calculation.
Protractor: angle measurement of pictures by using cameras.
Level: placing your cellphone on the subject to be tested for horizontal deviation. Horizontal measurements of vertical objects are also satisfied
Compass: a measuring tool that includes set direction, positioning and measuring elevation.
Mirror: turn your cellphone into a mirror!


Measurement toolboxL a truly useful pocket kit and turn your cellphone into many kinds of practical tools.
Come and try it!