1. Input voltage: DC10-15V (12V), DC20-28V (24V) 2. Output voltage: AC220 110 + -5% 3. Output frequency: 50 60Hz 4. Low voltage alarm: DC10V-11V (12V), DC18V-19V (24V) 5. Low voltage shutdown voltage (no load): DC10V+ -2V (12V), DC18V+ -2V (24V) 6. High voltage shutdown voltage (no load): DC15V+ -2V (12V), DC29V+ -2V (24V) 7. No load loss: less than 0.2A 8. Conversion efficiency: greater than 95% 9. Output voltage waveform: corrected sine wave 10. Power: 900W 11. Peak power: 2000W 12. Size: about 27x10x5.5 cm 13. Weight: about 1200 grams 14. Uses: suitable for all cars, wind power generation, solar power generation, pollution-free power generation industry, etc. 15. Features: suitable for continuous use of laptop computers in the car, with automatic protection against overload, overvoltage, overtemperature, and short circuit, aluminum alloy shell, sturdy and durable, beautiful and lightweight, fine workmanship, convenient and practical