Carmaer 1200W Car Smart Multi-function Digital Display Inverter Household Power Converter, Specification:36V to 220V 1. Real-time monitoring of input voltage and battery power, making it easier to use. 2. Built-in intelligent protection system, stable, reliable, and safe use of electricity. Anti-reverse connection protection, short circuit protection, high temperature protection, high voltage protection, overload protection, low voltage protection, over current protection, impact protection. 3. Intelligent cooling fan, automatically turn on when the body temperature reaches 38 degrees Celsius, high efficiency and energy saving, convection air duct design, enhanced air flow, no heat retention, longer life. 4. Starting peak power: 1200W 5. Continuous power: 550W 6. Input voltage: 12V24V36V48V60V 7. Output voltage: 220VAC50Hz±3Hz 8. USB output: 5VDC2.1A 9. No-load current: less than 0.9A 10. Conversion efficiency: greater than 90% 11. Type: modified sine wave