High precision, high accuracy, the built-in mag-netic base can be firmly fixed on any metal surface, quickly help you easily complete the work. Features: Compact and lightweight, easy to carry. Accurately calculate each angle value, quick display of measurement results. High-precision large-screen measurement, easy to read. The data on screen will reverse when you do the vertical measurement. With built-in mag-nets in measuring surface, it can conveniently stick to the metal measuring surface for easy measurement. Perfect tool in auto repa-ir, machine manufacturing, constructional engineering, and decoration, a must-have for woodworking, construction and machinery etc. Specifications: Material: aluminum alloy Measuring range: 4 * 90° Ba-ttery: 2 * AAA ba-tteries (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