Product information:

High end professional whisky pump, no need to manually press the switch. Gently touch the switch on the cup to automatically dispense whiskey, release whiskey to automatically stop dispensing
The quantity is adjustable, in addition to 1.1 volts (30 milliliters) and 1.6 volts (45 milliliters),you can also measure any amount of 0-39.0 volts (0-999 milliliters); Oxygen pump, fast beverage, you can open the beverage key as needed
The whisky pump has three silicone adapter caps, suitable for bottles with inner diameters of 18mm to 20mm, 20mm to 23mm, and 28mm to 33mm, as well as stainless steel expansion pipes for bottles of different heights
Specially suitable for distributing 4L whisky, 4L liqueur, and other shochu, fruit wine, rice wine, spirits, and wine, suitable for personal entertainment, family dinners, friend gatherings, and camping