Features: Magnetically adsorbed on the measuring surface, can be attached to the workpiece to be measured Relative measurement and absolute measurement conversion Angle and slope conversion Data locked for easy reading Portable size, easy to use with other measuring tools to expand the measurement range specification: Material: Plastic ABS Color: silver+black+red Size: 56 x 55 x 26MM Measuring range: 4 x 902 x 180 Display resolution: 0.050.05 (Less than 100), 0.1 (100~180) Accuracy: 0.2 Repeatability: 0.1 Working temperature: 0C~40C application: Wood processing: precision cutting of timber corners Automobile repair industry: precise control of tire fitting angle Processing: precise positioning of the working angle of the machine tool, the rotation angle of the boom feature: 1. Easy to carry. 2. The response speed of the measured value is fast 3. Backlit LCD display. 4. Two AAA dry batteries on the 7th (the product does not include batteries) 5. 4 x 90 measuring range 6. Reading value: 0.1, measurement accuracy: 0.2 7. Multi- measuring tool, three-in-one protractor, inclinometer and level 8. There is a magnet at the bottom, which can be adsorbed on the measured object. Package Contents: 1 x Digital Electronic Protractor Only 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.