1. Uses: suitable for all automobiles, wind power, solar power, pollution-free power generation, etc.\r\n2. Features: suitable for continuous use of laptop computers in the car, with automatic protection during overload, overvoltage, over temperature, and short circuit, strong and durable, beautiful and lightweight, convenient and practical\r\n3. Output voltage waveform: square wave\r\n4. Input voltage range: 12V\r\n5. Output voltage: 220V\r\n6. Output power: 300W\r\n7. Peak power: 4000W\r\n8. Product size: 161x100x78mm\r\n9. Product weight: 550g