Features:1. The refrigerant meter and the vacuum gauge are switched to each other, which is convenient to use.2. Built-in database of 82 refrigerant pressures and corresponding temperatures.3. Can measure vacuum pressure and indicate the degree of vacuum as a percentage4. With battery low voltage prompt, the battery life is 30 hours5. Suitable for WK-6881H, 6881L, 6882, 6884Specification:Condition: 100% Brand newItem Type: Digital Pressure GaugeMeasuring Pressure Unit: Kpa. Bar. Psi. Torr. Kg F/cm2 InHg. MmHgMeasured Temperature Unit: /Measuring Range: Vacuum: -101Ka-0kpa, Pressing: 0Kpa-6Mpa, Refrigerant: -101Kpa-4KpaMinimum Value: 1KpaSensor Accuracy: 0.5%Overload Limit: 100Bar, 10MpaUsing Range: -20-60Interface: 1/8in NPTBattery: 9V Battery(not included)Package List:1 x Digital Pressure Gauge