1LCD Backlight: The digital angle finder adopts a large LCD backlight display for easy reading of measurement data. 2Good Stability: With data retention and slope function, better stability, more convenient reading and operation. 3Strong Magnet: There is strong magnet at the bottom of the inclinometer level, which is easy for adsorbing the workpiece and convenient for measurement. 4Convenient Reading: When the inclinometer is inverted, the angle reading on the LCD will automatically flip up for easy reading. 5Excellent Materials: The inclinometer level shell is made of aluminum alloy, and the panel is made of ABS, which is hard and wear resistant. Item Type: Digital Angle Finder Panel Material: ABS Shell Material: Aluminum alloy Measuring Range: 4 x 90 Error: 0.2 Repeatability: 0.1 Unit Switching: , percent Usage Scenarios: Construction workers, decorating designers, maintenance workers, carpenters or other professionals. Battery: 2 x AAA battery(Not included) 1 x Digital Angle Finder(Battery Not Included) 1 x User Manual Need to use 2 AAA batteries, shipped without batteries.