1. A level ESD protection 2. Function: Switches, metric conversion, zero setting at any position 3. Resolution: 0.001mm/ 0.00005 4. Data Output 5. Fast response, no overspeed error failure 6. Supreme power failure crash 7. Hardened alloy probe 8. 3V lithium environmental (CR2032) 9. APO 10. IP65 waterproof http: //www.shcaliper.com/