Magnetically attached to the measuring surface, which can be attached to the workpiece under testRelative measurement and absolute measurement conversionAngle and slope conversionData locked for easy readingPortable size, easy to use with other measuring tools to expand the measuring rangeMeasuring range: 4*90 degree2*180 degreeAccuracy: 02 degreeRepeatability: 01 degreeWorking temperature: 0Celsius~40Celsiusapplication:1. Wood processing: precision cutting of wood corners2Automobile repair industry: precise control of tire assembly angle3 Processing: precise positioning of the working angle of the machine , rotation angle of the boomEasy to carry.Fast response to measured valuesBacklit LCD display.Two AAA dry batteries (the product does not carry batteries)Multi-purpose measuring , three-in-one protractor, inclinometer and spirit levelThere is a magnet at the bottom, which can be attached to the object to be measured.Colour:blackMaterial:plasticSize:60 x 30 x 55mmPackage Contents:1 x Electronic ProtractorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.