Measurement accuracy of the Solatronic module: 0.05° at 0° and 90°, 0.2° between 1° and 89°. Switchable tilt display in degrees, percent, mm/m, and in/ft. Bluetooth interface for using the Sola Measures app. Convenient reading thanks to the reversible display for inverted measurements. Practical V-groove with magnet for secure hold on pipes and metal surfaces. Compact, lightweight, and easy to handle. Measure horizontally and vertically. Measure angles and inclines.