Magnetically adsorbed on the measuring surface, can be attached to the workpiece being measured Relative measurement and absolute measurement conversion Angle and slope conversion Data lock, easy to read Portable size, easy to use with other measuring tools to expand the measuring range 2 AAA dry batteries (batteries are not included) Measuring range: 4x90° Display resolution: 0.05°0.05° (Less than 100°), 0.1° (100°-180°) Accuracy: ±0.1° Repeatability: 0.1° Working temperature: 0°C-50°C Applications: Wood processing: Precision cutting of wood angles Auto repair industry: Precise control of tire assembly angles Processing: Precise positioning of machine tool working angles, rotation angles of large arms Colour:Black Material:Plastic Package Contents: 1x Digital Angle Meter 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.