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/