11Inch Digital Torpedo Level and Protractor, Long Type Spirit Level Digital Protractors Inclinometer Tool 360 with Magnets And Bright LED Display for Any Measuring Task 1.HIGH ACCURACY: Accurate to the 0.1 at 0 and 90 and 0.2 from 1-89.; displays angle and bevel readings in degrees, pitch IN/FT, mm/M, and percent slope. Great for roofs, rails, ADA ramps. 2.DURABLE MATERIAL: Sturdy solid I-beam aluminum frame, Neodymium magnets and IP54 dust/water splash resistant protection for harsh working environments. 3.LED DISPLAY DESIGN: This level features a large, bright LED display that flips, so you can easily read your measurements all day and night even in the darkest spaces. Whats more, we craft our digital level with audio indicator functionality, so you can achieve level and 90 degrees even with your eyes closed. 4.DUAL FUNCTIONALITY With STRONG NEODYMIUM MAGNETS :As a true digital level and electronic inclinometer / protractor lets you set or check relative angles between surfaces. Plus, magnetic base firmly attach to ferrous metal surfaces like conduit, pipe, steel construction framing, metal fabrication and more. 5.WIDE APPLICATION: It is very suitable for home decoration, plane, equipment level measurement, level measurement of installation parts, such as measuring the position on the wall, the space between hangers, leveling nails, and hanging the level of pictures.