Digitaler Winkelmesser Messwerkzeuge

Extra large LCD: Backlight easy for reading in darkness place. Beeper will sound at 0°, 10°, 20°,30°, 40°, 50°, 60°, 70°, 80°, 90°. Measuring data holding. Display always read upright, no matter which the level is turned. Degree and slope conversion. Auto power off. Low battery warning. No special tools and instruments are needed for recalibration, easy for operation. 3 in 1 for protractor, dopmeter and level. Measuring range: 4x90° Resolution: 0.1° Battery Type: 3V CR2032x3 Working Temperature: 0 40 centidegree Relative Humidity: 40% 80% Dimension: 6"x2"x1.3"