Product description: ENTRY: 220V 50HZ OUTPUT: 12 V DC MAX AMPERES: 500 mA Output power range: 6W (connecting electrical appliances with a power higher than this will damage the product) Unlike the structure of the car cigarette lighter, it cannot be used for heat the original car cigarette lighter Small car electronic products suitable for the above parameters can be used at home. Charger conversion plug domestic car 220 to 12V 1. Nowadays, many car electrical appliances are more and more used in car cigarette lighter. Now, as long as you have this product, you can take home your treasures which can only be used in cars and make the most of it. ! Let's do it! 2. Plug this product into home power outlet, then you can plug car cigarette lighter equipment into this product, such as car diffuser, car oxygen bar, car transmitter and other low-power car electrical appliances. Note: The power of car inverter, car vacuum cleaner, air pump and other electrical appliances is much more than 6W , so they cannot be connected to this product. The power of this product is 6W. Car vacuum cleaners, car refrigerators, car washes, air pumps, etc. need more than 60 W to operate! If you must drive such products, do not shoot! ! Note: The data is manual measurement, please allow 1-31cm error, due to differences between light and screen, there will be a certain color difference , the specific received in kind shall prevail.