The Sunforce pure sine wave inverter converts 12V DC to 110/120V AC of pure sine wave power. The clean power supply makes it an ideal choice for sensitive electronics. Power Supply: 12V DC, Continuous Watts: 4,500, Surge Watts: 9,000, AC Outlets (qty.): 6, True Sine Wave: Yes, Soft Start Technology (SST): Yes, Short Circuit Protection: Yes, Low Battery Protection: Yes Delivers 4500 Watts continuous power Delivers 9000 Watts surge power Very low harmonic distortion HD compatible Clean power supply makes it ideal for inkjet laser printers and other sensitive electronics Overload, short, high- and low-voltage protection Thermal protection Audible low voltage alarm Includes remote control and backlit LED display 19in.L x 17 1/2in.W x 7in.H Cables not included