This is a practical digital inclinometer. It has a big LCD screen for display the data. The bottom measuring surface with built-in magnets brings great convenience to you, allowing you to attach the cube to any steel object. Portable and lightweight.It is great for precision angle measurements. Features: Ultra light aluminum alloy shell has great durability. Portable size, convenient to co-work with other measuring tools and enlarge measuring range. Relative/absolute measurement interchange at any position. Built-in magnet in bottom surface, which is convenient to be attached to the object measuring workpiece. Quick display of the measured value on big LCD screen. Data hold and slope function. Used for angle measurement in automotive, woodwork, building, drilling machinery etc. Specifications: Material: aluminum alloy Electrical source: 2 * AAA batteries (not included) Measuring range: 4 * 90 Working temperature: 0~40 Accuracy: 0.2 Resolution: 0.05 Repeatability: 0.1 Item size: 57 * 55 * 27mm / 2.24 * 2.16 * 1.06oz Package size: 80 * 65 * 35mm / 3.15 * 2.56 * 1.38in Package weight: 84g / 2.96oz Package List: 1 * Digital Inclinometer 1 * User Manual