Feature:1. A Useful Tool: Works effectively as a angle protractor, angle finder and a level measuring tool, also has digital display for easy operation.2. Smart Testing: Designed to have 4 x 90 wide test range, the digital angle meter can easily test the relative angle between different surfaces.3. Strong Magnet: There is strong magnet under the base, so the inclinometer can be firmly fixed on various curved and cylindrical metal material.4. Extensive Use: Allows for wide application in automotive, woodworking, machinery, equipments and many other fields, very practical and useful.5. Easy Carrying: Comes with a light weight and a compact size as well, the convenient storage and carrying enables both indoor and outdoor use.Specification:Item Type: Angle FinderMaterial: ABSResolution: 0.05Error: 0.2Working Temperature: -10-50Working Humidity: 85%Range: 4 x 90 Battery: 1 x 3.7V lithium battery, with built in battery. Single Battery Capacity: 260mAh.Package List:1 xAngle Finder1 x Data Cable1 x User Manual