Resolution: -0.01mm/0.0005″ Power: SR 44, One 1.55v button cell Features:- 1. Internal Measuring jaws. 2. Inch/metric conversion available. 3. Locking Screw. 4. Hold the Button. 5. LCD Display. 6. External Measuring Jaws. 7. Power the On/Off button. 8. Zero Setting. 9. Cover. 10. Depth Measuring Blade. 11. Step-Measuring Faces. 12. Supplied With Calibration Certificate. 13. Raw Material: Stainless Steel