Tyre Depth Gage

No response speed limit;
Credible power on reset;
Spring-Loaded travel for easy measuring;
Changeable measuring bar,measuring range can cover 0-6"/0-150mm.
Metric-inch conversion;
Zero-set at any Position;
Can measure the dimension of depth;
RS-232 output;
Auto power-off(option).

3V Lithium battery Cr2032.Battery life >1 year.