Plastic enclosure Relative/absolute measurement interchange at any position Absolute zero measurement based on the level surface Angle and slope readout conversion Data hold Magnets in bottom. Convenient to be attached to the object measuring workpiece Backlight Automatically turn off in 5 minutes Portable size, convenient to co-work with other measuring tools and enlarge measuring range. Convenient to be attached to the object measuring workpiece Measuring Range: 4*90 Resolution: 0.05 Accuracy: 0.2 Repeatability: 0.1 Size: 60*30*55mm Battery: AAA*2 battery (Not included) Working Temperature: 0C~40C Specifications: Great Accuracy and Consistency Angle gauge provide accurate measurement of 0.2and resolution of 0.05. It is used to measure or set angles, check relative angles, measure bevel angle of miter saw, automobile test and repair, and so on. Strong Magnetic Base Magnetic level angle finder has V-groove and built-in powerful magnets on the base that can be firmly attached to miter saws, band saws, table saw blade, pipes, conduits, and other metal surfaces. Two Measurement ModesAbsolute angle mode and relative measurement mode, press the "ZERO" button to achieve relative/absolute measurement interchange at any position, could not be easier.This sturdy mini tool also functions as an inclinometer, protractor, and a level and bevel gauge. Wide ApplicationsThe protractor is portable and convenient, especially useful for completing work on ladders, roofs or other dangerous locations, can be used in woodworking, welding, fabrication, construction, machinery, home renovation, automobile etc. Package Included: 1* Digital Protractor 1* Manual