Through the stepless speed change button, the speed can be adjusted appropriately according to the capacity. Two supply methods are available: install 4 AA batteries (not included) or the supply with a USB cable. The decanter sets the continuous working time to be ten minutes and automatically stops, and needs to be restarted to . When the battery becomes low, the working light will turn red. Lightweight and portable, suitable for occasions-this pocket-style wine faucet machine is light in weight, small in size and easy to carry. Able to new batteries to supply red/white wine. perfect wine accessories for family , parties, picnics or celebrations (such as birthdays, weddings, anniversaries, graduations, retirements, housewarmings). Colour:black Material:ABS Package Contents: 1 x decanter 1 x USB cable Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.