Specifications:Material: Zinc AlloyResolution: 0.1Measuring range: 4 * 90Operating humidity: 40-80%Operating temperature: 0-40Battery: 3*3V battery (included) Features:Angle and slope readout conversion.Relative/absolute measurement interchange at any position.Data hold, LCD display for easy reading of measurement data.The readings can be flipped and the display has an oblique direction indicator.Strong magnets at the bottom to absorb the workpiece for easy measurement.Portable size, convenient to co-work with other measuring tools and enlarge measuring range.It is widely applied in wood processing industry (especially in furniture manufacturing industry) for household or industrial use.