Level box with large display screen, great for viewing result even for those with failing eyesight resolution of 0.1. Its powerful built-in magnets on the base secure the attachment to any magnetic surfaces. Equipped with "Zero" button that calibrates the gauge to any reference surface.Features:Large display screen provides easy digital reading. Strong magnet at the bottom for easy adsorption on iron measuring objects. Light weight and portable, simply switch between Absolute and Relative measuring mode. Press the ZERO button can calibrate the angle gauge to any reference surface. When the level box is placed upside down, the numbers automatically reverse. Specifications:Material: Aluminum alloyOptional Color: Red, BlueAccuracy: 0.2Resolution: 0.1Working Range: 4 x 90Power Supply: 1 x AAA battery (Not Included)Screen Size: Approx. 35 x 20mm / 1.38 x 0.79inchSize: Approx. 59 x 59 x 28mm / 2.32 x 2.32 x 1.1inchWeight: Approx. 110gPackage Included:1 x Level Box