"High precision, high precision, the built-in magnetic base can be fixed firmly on any metal surface, allowing you to easily complete the work. Features: Compact and lightweight, easy to carry. Accurately calculate each angle value, quickly display measurement results. High-precision large screen measurement, easy to read. The data on the screen will reverse when you measure vertical. Thanks to its magnetic array built into the measuring surface, it can easily adhere to the metal measuring surface for easy measurement. Perfect tool for repair, machine manufacturing , construction, decoration, a must-have for woodworking, construction and machinery, etc. Specifications: Material: aluminum alloy Measuring range: 4* 90 Tarter: 2*AAA batteries (not included) Working temperature: 0~50 Working humidity: 85% Item size: 57* 55 * 27mm / 2.24 * 2.17 * 1.06in Package Size: 85 * 70 * 45mm / 3.35 * 2.76 * 1.77in Package Weight: Approx. 100g / 3.53ounce Package List: 1 * Digital Inclinometer