Features 1) Up and down movement to provide faster and more uniform cooling of the wine 2) Provide decent process for removing bitter and soar taste of wine 3) Portable operated by 4 x AA batteries 4) Low operation cost a set of battery can be used for cooling about 150 bottles of wine 5) Simple operation, just adjust the timer for cooling process 6) Can be used as wine heater Packing Unit in PP bag and then in a color-box, 6 pcs in a carton