Magnetically attached to the measuring surface, can be attached to the workpiece under test Relative and absolute measurement conversion Angle and slope conversion Data hold function for easy reading Portable size, compatible with other measuring tools to extend measurement capability Measuring range: 4 x 90 degrees, 2 x 180 degrees Accuracy: 0.2 degrees Repeatability: 0.1 degrees Operating temperature: 0C to 40C Applications: 1. Woodworking: precision cutting of wood corners 2. Automotive repair: precise control of tire assembly angle 3. Machining: accurate positioning of machine tool angles, boom rotation angle Compact and easy to carry Fast response to measurements Backlit LCD display Powered by two AAA batteries (batteries not included) Multi-function measuring tool: combines digital protractor, inclinometer, and spirit level Magnetic base for secure attachment to ferrous surfaces Color: Red/Black Material: Plastic Dimensions: 60 x 30 x 55 mm Package Contents: 1 x Electronic Protractor Note: Other items not included. Color may vary slightly due to monitor settings. Measurement error allowance: 13 cm.