1. High conversion efficiency. It can convert 12V DC to 220V AC. 2. Equipped with overload and overheat protection functions. This is a voltage converter that meets international standards and has an undervoltage shutdown protection function. 3. 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. 4. 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. 5. 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. 6. Input voltage: 12V DC 7. Output voltage: 220V±10% AC 8. Output frequency: 50/60 Hz±3 Hz 9. Output waveform: Modified sine wave 10. USB output: 1 USB port, 5V/2.4A 11. Overheat protection temperature: 65°C 12. Low battery cut - off voltage: 9.7V 13. High battery cut - off voltage: 15V 14. No - load current: Less than 0.4A 15. Conversion efficiency: 85% 16. Continuous AC output power: 500 watts 17. Peak power: 1000 watts 18. Important notes - Check the battery voltage: 12V (Please note that this product is only 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. - Please note that the cooling fan will make a slight noise when the device is running. - Only use 220V devices on a 12V power supply. 19. Product type: Power inverter 20. Color: Silver 21. Material: Aluminum alloy 22. Package contents: 1 inverter 23. Only the above - mentioned package contents are included, and other items are not included. 24. 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.