[instructions for use]
. when the car is in use, the car must be started;
. plug the plug into the cigarette socket or the 12V power jack first; plug the car into 220V.
. then insert the other end of the wire into the 12VDC jack or insert the home car into the 220V Jack (the socket is below the front panel);
. then switch the switch to the heating or cooling position, and check the corresponding LED indicator (heating: red light; refrigeration: green light);
. takes 15 minutes or 30 minutes to cool or heat (cooling or heating time related to environmental temperature);
. put food or drink in front, you'd better warm up, so you can achieve better results;