Luxebell 300W Power Car Inverter Dual Charging Ports 110V AC Outlets DC 12V to 110V AC for Smartphone,Tablet,Desktop and More This inverter is to turn into DC12V or DC or 220V 50HZ AC 110V 60HZ. Can be connected in less than 300W rated power resisitive load, such as: LCD TV, mobile phone, MP3/4, GPS, digital cameras, computers, light bulbs and other eletrical applicants. Output:2 AC outlets and 2 USB charging posts(both 2.4A) How it works: Full protection and auto-shutdown to keep your appliance from overheating, overloading, short circuit. Input & Output Isolation avoid electric shock Built-in fuse & cooling fan High quality aluminum-magnesium alloy material;Excellent cooling effect;Insulation design inside never get an electric shock risk Package:Luxebell 4.8A 300W Power Inverter,user manual