Digital angle ruler, protractor, ruler, spirit level, digital goniometer, 230 mm, 360° angle measuring devices with horizontal, vertical circular vial, LCD display, ruler with two scales

【Measure 360° and save data】Protractor measuring range: 0-999.9°; Resolution: 0.05° (3'); Accuracy: ±0.5°; The goniometer can measure internal and external angles of 360° and supports degree and degree/minute conversion. It has a hold button and a zero button. To lock the data, please press the HOLD button. (Turning the knob is only for loosening and tightening; the angle cannot be completely fixed.)

【4-in-1 Multifunctional Digital Goniometer】: This product is a combination of a protractor, spirit level, circular level, and ruler. It is calibrated with 3 spirit levels to help you better measure angles (NOTE: This is NOT a digital level, it does not display a number. The LCD screen can only judge whether the object is tilted. The main ruler is a dual scale). It displays both metric and inch measurements.

【Large LCD Screen and Auto Shut-Off】: This protractor features a large, full-screen LCD display that allows you to read data easily and quickly. The digital angle ruler will automatically shut off after 5 minutes of inactivity to save power. The digital protractor also features a zero button that can be set to zero at any position and is suitable for absolute and relative measurements.

【High-quality material and portable design】: The thickened and widened ruler body is made of high-quality material. High-strength nylon fiberglass construction with good hardness, wear resistance, no deformation, no scratches, lightweight and durable. 230 mm, small, delicate design, easy to use and carry. The hanging hole design is convenient for hanging.