Feature: The magnet is adsorbed on the measuring surface and can be attached to the measured workpiece Conversion between relative measurement and absolute measurement Angle and slope conversion Data locking for easy reading Portable size, easy to use with other measuring tools to expand the measuring range. Specification: Material: Plastic ABS Size: 60*30*55mm/2.36*1.2*2.1in Measuring range: 4*902*180 Display resolution: 0.050.05(<100), 0.1(100~180) Accuracy: 0.2 Repeatability: 0.1 Working temperature: 0C~40C Color: Black, Red Black Instruction: 1.Easy to carry. 2. Fast response to measured values 3. Backlit LCD display. 5. 2 x AAA dry batteries (NOT Included) 6. 4*90 measuring range 7. Reading value: 0.1, measurement accuracy: 0.2 8. Multi-purpose measuring tool, three-in-one protractor, inclinometer and spirit level 9. There is a magnet at the bottom, which can be attached to the object to be measured. Application: 1. Wood processing: precision cutting of wood corners 2. Automobile repair industry: precise control of tire assembly angle 3. Processing: precise positioning of the working angle of the machine tool, rotation angle of the boom