Specifications:Multi-purpose Digital Angle Finder with Laser This protractor and Inclinometer can measure angle, check relative angles, or can be used as a laser level. As a laser level with 2-beam, the left and right sides of the product can emit horizontal laser lines, help clearly mark. Takes advanced technology, use Laser Class II which is limited to 1 mW continuous wave, safe for everyday use. The measuring tool give your home renovations picture hanging or other DIY projects most precisest results. 2 Meaturements Modes & Precise Angle Measurements There are 2 measuring modes: Absolute Measurement (ABS) and Relative Measurement (REF). Just one short press, you can check the true or relative angle conveniently. The digital level with 360(4*90) measuring range,Accuracy: 0.1at 0and 90,0.2at the rest angles.One-button switching angle and slope with a resolution of 0.01 , this digital angle gauge will give you the details needed for design purposes.Notes:please allow 1-3cm error of measurement.Photo color might be a little different from the actual product due to color display of different monitors. Package included:1pc of item