Scuba Pro 3 Gauge Console with a compass, depth meter and compact residual pressure gauge in one console. 3 gauge inline console in plastic case; Panel diameter 1.6 inches (40 mm); Compass: Oil type; Northern and Southern Hemisphere; Rotating bezel; Water depth meter: Oil type; Maximum water depth: 200 feet; Display panel diameter 2.0 inches (50 mm); Residual pressure meter: Spiral type / Display value 0-400 bars (6000 bars; Display panel diameter (6000000000000000000000000000000000000000000000000000 psi). 0mm