A. High conversion efficiency. It can convert 12V DC to 220V AC. B. Equipped with overload and overheat protection functions. This is a voltage converter that meets international standards and has an undervoltage shutdown protection function. C. The AC power is 300 watts, with low/high battery cut - off functions. It has an automatic thermal shutdown function and can shut down safely in case of overheating or overloading. D. Adopts advanced chip technology with high conversion efficiency. It is equipped with an intelligent cooling fan system and achieves multiple protections through a CPU microprocessor. E. Suitable for electrical and automotive circuits. It can be operated through a car socket or directly connected with cable clamps. It uses an aluminum alloy housing, which is anti - oxidant, strong and durable. F. Input voltage: 12V DC G. Output voltage: 220V±10% AC H. Output frequency: 50/60 Hz±3 Hz I. Output waveform: Modified sine wave J. USB output: 1 USB port, 5V/2.4A K. Overheat protection temperature: 65°C L. Low battery cut - off voltage: 9.7V M. High battery cut - off voltage: 15V N. No - load current: Less than 0.4A O. Conversion efficiency: 85% P. Continuous AC output power: 500 watts Q. Peak power: 1000 watts R. Important notes - Check the battery voltage: 12V (Note that this product is suitable for 12V batteries, not for 24V). It is compatible with electronic devices, laptops, etc. - When leaving the car, turn off the switch or remove it to save battery power. - Note that the cooling fan may make a slight noise when the device is running. - Only use 220V devices on a 12V power supply. S. Product type: Power inverter T. Color: Silver U. Material: Aluminum alloy V. Package contents: 1 inverter W. Only the above - mentioned package contents are included, and other items are not included. X. Note: Light reflection and different displays may cause the color of the item to vary slightly from the actual product. A measurement error of ±1 - 3 cm is allowed.