Features: High Precisions Digital levels with Strong Magnetic Base Features 0.01° Resolution and ±0.1° Accuracy for Horizontal, Vertical, and Measurements in Construction and Projects. Aluminum alloy and coated body houses a large LCD screen with green backlight and auto rotation for clear visibility in low light conditions. Designed for builders, engineers, and enthusiasts needing professional alignment tools for metal surfaces, installations, and precisions leveling tasks. Optimized for construction site, workshop setups, and home renovations where magnetic base ensures stable placement on iron beams, pipes, and machinery. This multi functional electronic levels gauge combines impacts resistance with advanced digital calibration, delivering versatility for both flat and angles measurement scenarios. Specifications: Component: Plastic, Metal Resolution: 0.01° Accuracy: ±0.1° Measurement angles: 0-90° Size: 20cm(7.87in) / 30cm(11.81in) / 40cm(15.74in) / 50cm(19.68in) Package Includes: 1pc Levels Ruler note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.