Cooling by compressor temperature adjustable automatic leaves the liquor with base and pressure gauge 1. cooling by compressor, gas R134A2. Argon, nitrogen ,vacuum, and the general preservation of one machine, fresh way of any election.3. Cooling temperature as you like(7°C----- 18°C)4. Automatic leaves the liquor.5. Quota row of liquor, free quantity row of liquor,1 ounce,2 ounce,3 ounces, ...