1. Model: GM510 2. With11unitsto select:bar,mbar,kPa,kgf/cm2,mmHg,cmH2O,Ozf/in2,psi,inHg,inH2O,ftH2O. 3. USB dara hold. 4. USB interface 5. Low battery indicator function 6. Auto power off. 7. A computer through a USB adapter,can be used to record special software for data analysis
