Only negative (but not prohibitive): it is not fitted with original a 220 VAC, we must ensure that the car battery is either charged or put the engine running so that the alternator charges the battery.
When I ordered this item amazon proposed voltage converter accessories AC 220 V to 12 V DC input and the output. But the "problem" is that all these accessories offered are unable to deliver sufficient intensity to ensure the smooth operation of this compressor. I have a feeling that the person who offers these accessories does not understand the laws of electricity!