Digital Angle Finder with Magnetic Base and Dual Backlights Features: Magnetically attaches to the measuring and can be attached to the workpiece being measured. Relative and absolute measurement conversion. Angle and slope conversion. Data lock for easy reading. Portable size allows for easy integration with other measuring tools to expand the measurement range. Specifications: Material: ABS plastic Measuring range: 4 x 90° Display resolution: 0.05° ( Accuracy: ±0.1° Repeatability: 0.1° Operating temperature: 0°C-50°C Applications: 1. Woodworking: cutting of wood angles 2. Automotive repair: Precise control of tire assembly angles 3. Processing: Precise positioning of machine tool working angles and arm rotation angles 1. Easy to carry. 2. Fast response time for measurement values. 3. Backlit LCD display. 5. Two AAA dry-cell batteries (not included). 6. 4 x 90° measuring range. 7. Reading value: 0.1°, measurement accuracy: 0.2°. 8. Multi-purpose measuring tool: a protractor, inclinometer, and level in one. 9. Magnet on the bottom for attachment to the object being measured. 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.