With a measuring range of 4 x 90 and a high accuracy of 0.2, the digital protractor is designed for quick and accurate measurement of the tilt angle. Relative/absolute measurements exchange at any position. Convert angle and tilt display with data hold function. Digital LCD display for easy reading and using, clear and intuitive. The display turns off automatically after 30 seconds idle time, the device turns off automatically after 3 minutes of idle time. The built-in magnet ensures that the digital protractor and the measured object fit tightly. Mini size, lightweight and portable. IP54 waterproof and dustproof. Widely used in the woodworking industry (especially in furniture production) for precise cutting of wood angles, in the car repair industry for accurate control of the tyre angle, in the machining industry for the exact position of the tool working angles as well as the rotation angle of large vehicles weapons.