Level protractor

[Features]
· It can measure angle, inclination, horizontality and verticality.
· Calibrate switch makes it easy to make adjustments, enabling factory accuracy to be assured at any time.
· Signal sound is available for horizontal and vertical.
· The numbers and symbols automatically reorient to display in an easy-to-read direction if the device is turned upside down.
· Automatically switches off after measurement is completed.
· Alerts the user to battery deterioration with the battery mark.
· Magnet enables hands-free work.
· Base: With magnet (magnetic attraction force 6 kg x 2), V groove type, V width 10 mm (no magnet)
· Dustproof/waterproof specification: IP54