Features: Relative measurement and absolute measurement conversion. Angle and Slope Conversion. Data locked for easy reading. Backlit LED display. Fast response speed of measurement value. Portable size for easy use with other measurement tools to expand measurement range. Widely used for wood processing, precision cutting of wood corners. Precise control of car tire assembly angles. Specifications: Item: Digital Level Material: ABS, Aluminum Alloy Battery: 2*AAA Battery(not Included) Measuring Range: 4*90 2*180 Display Resolution: 0.05 Accuracy: 0.1 (0 & 90) and 0.2 at Other Angles Repeatability: 0.01 Operating Temperature: 0C~40C Three-in-one protractor, inclinometer and level Size: 50*7*2.1cm Package Size: 52*8*3cm Package Weight: 314g Package List: 1* Digital Level 1* User Manual