Multifunctional digital power inverter, supporting 220V AC outlets and multiple USB charging ports, can power home appliances, lights, phones, laptops or other electronic devices. Built-in multiple protecting functions, reliable performance, with intelligent silent fan, quick heat dissipation, safer to use. It is perfect for home, office, camping, outdoor activities, etc. Features: Multifunctional digital power inverter, convert 12 V direct current to 220V AC, efficient conversion, suitable for car, home, office, outdoor activities, etc. Equipped with large color LED screen, real-time display of input/output voltage, power, battery capacity and current frequency, easy to know the battery status. Built-in 2 fuses, support multiple protecting functions, overload/over-voltage/over-temperature/short circuit protections, reliable performance, safer use. With 220V AC outlets and 4 USB charging ports, the inverter can power your home appliances, lights, laptops or other electronic devices. Intelligent silent fan, quick heat dissipation, effectively reduce internal temperature and prolong service time. High-quality aluminum alloy housing, better heat dissipation. Equipped with pure copper wire core power cable, alligator clips wire and cigarettelighter cable, thick pure copper wire core, low power consumption, stable transmission. Specifications: Color: Black Material: Aluminum Alloy Input Voltage: 12 V Output Voltage: 220V USB Output: 5V, 2.4A(Max.) Rated Power: 3000W / 4000W / 5000W / 6000W(optional) Conversion Efficiency: >90% Output Frequency: 50Hz No-Load Current: