Wide range of uses: The back shell is sealed with screws, waterproof, dustproof and high precision. It can be used in precision cutting, woodworking and automotive repair industries Durable and reliable: The digital angle meter works in temperatures from 32F to 122F (0C to 50C), certified IP54 dustproof and waterproof; a perfect gift for Dad, beautifully packaged tool Accuracy: Digital angle meter with 360 (4*90) measuring range, accuracy: 90, 0.2. One-button switching between angle and slope, with a resolution of 0.01 degrees, this digital angle meter will provide you with the detailed information you need for CAD or design purposes. The true accuracy of the digital angle meter is plus or minus 0.2, and the most important factor for accuracy is that it will not lose calibration over time LCD display: The upgraded LCD has a high-visibility reverse contrast, which makes it easier and clearer to read the values even when working at night, and is easier to read at small angles compared to other LCDs