A smart ruler to calculate the length, angle, and area of objects seen by your device camera. Features ◉ One button click to connect the start and end points to form a polygon ◉ Automatically calculate the length of each side, the angle between any two sides, and the area of the polygon ◉ Easy to use by just touching the objects seen in the camera ◉ Metric and English measuring system with meters, cm, inch and foot. ◉ Professional user interface design ◉ Save the measurement and share with friends and relatives