CNG gauge with switch, stainless steel case, inner sensor type CNG gauge with switchCase size: 2" (50mm) Case: Stainless steelTube and socket: Phosphor bronze and brass Movement: Brass Connection: Bottom 1/4 inch BSP, BSPT, NPT Pressure range: 0 to 400bar, 0 to 40MPa, 0 to 5, 800psi Window: Polycarbonate(PC)Accuracy: 2.5% / 1.6%