Uei WVG2Male Flare Fitting (Nickel Plated)45 couplerOil Contamination WarningSensor Failure DetectionCompact light weight designWireless Vacuum Gauge ProbeThe UEi WVG2 is a Premium Wireless Vacuum Gauge Probe.FunctionsVacuum Range: 2000 microns700 PSI Maximum Over RangeTemperature Range:10 to 122 F ( -12 to 50 C) ApplicationsMeasure pressures