Measure range:5~99PSI or 0.4~6.80Bar Resolution:1PSI Or 0.1Bar Accuracy:+/-%+1LSD Power: Permanent Lithium coin Cell. Automatic shut on-off Precision: less than 1% Auto Zero Low battery detect Hard ABS outer shell Life time: more than 15,000 times CE approved More of type and info., pls visit our web site.