Descriptions: Invert DC 12V to AC 220V ( Maximum: 230V ) . matters needing attention: 1. This product is applicable to mobile phones, computers, televisions, incandescent lamps, fans, cameras, stereos, printers and small electric tools. 2. Not suitable for microwave oven, induction cooker, washing machine, refrigerator and vacuum cleaner. 3. When using the inverter, the power of the electrical appliance shall not exceed the continuous power of the inverter.