Features:

Easy Use: The refrigerant meter and the vacuum gauge are switched to each other, which is convenient to use.
High Performance: Built-in database of 82 refrigerant pressures and corresponding temperatures.
Function: Can measure vacuum pressure and indicate the degree of vacuum as a percentage.
Long Life: With battery low voltage prompt, the battery life is 30 hours.
Fitment: Suitable for WK-6881H, 6881L.

Specifications:
Item type: digital pressure gauge
Material: plastic
Size:about 130x100x50mm
Types: Wk-688l, Wk-688h
Measuring pressure unit: Kpa. Bar. Psi. Torr. Kg F / cm2 InHg. MmHg
Measured temperature Unit: ℉ / ℃
Measuring range: vacuum: -101Ka-0kpa, pressing: 0Kpa-6Mpa, Refrigerant: -101Kpa-4Kpa
Minimum value: 1Kpa
Sensor accuracy: ± 0.5%
Overload limit: 100Bar, 10Mpa
Using range: -20 ℃ -60 ℃
Interface: 1/8in NPT
Battery: 9V battery (not included)

Package included:
1pc x digital pressure gauge