Juego de manómetros digitales de refrigeración HVAC A/C probador de fugas de presión de vacío

The display backlight can be adjusted with the on/off button. The backlight will switch off if not used for 10 minutes. Note: The unit requires 9V battery and hose to work. [90 Refrigerants Database] Built-in 90 kinds of refrigerants, such as R32, R134A, R410A, R1234YF, R12 and so on.

eBay