You can easily measure the exact angle by placing an object on a smartphone and dragging and aligning three points on the vertex and two sides.

✔ Support mode
① Three-point goniometer: Raise the object and measure the correct angle by matching the three points of the vertex and the two sides.
② Reference goniometer: Choose an appropriate goniometer from large, medium, or small to place the object and measure the angle.
③ Camera goniometer: Measure the angle by hitting an object with the camera.
④ Car inclinometer: Mount on the car and measure the inclination of the car.
⑤ Laser level: You can see if the level is on the object or not.
⑥ Grid level: Through the grid, you can know precisely whether it is horizontal.