"High precision, high accuracy, built-in magnetic base can be firmly attached to 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 do the vertical measurement. With its built-in magnetic array on the measuring surface, it can easily adhere to the metal measuring surface for easy measurement. Perfect tool for repair, machinery manufacturing, construction, decoration, a must-have for woodworking, construction and machinery, etc. Specifications: Material: Aluminum alloy Measuring range: 4 * 90 ° Power supply: 2 * AAA batteries (not included) 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