Power Tech-On PURE SINE Power Inverter 2000W Continuous/4000W Surge, 12V DC to 120V AC w/ Black and Red Cables w/ Ring Terminals, Remote Switch, 5 kinds of Protection Systems and 4 Output Sockets;Ideal use in cars, vessels, and for power failure emergencies and guarantees maximum efficiency with computers, sensitive equipment, and more;5 Protection systems: Thermal protection, Overload protection, Over Voltage protection, Under Voltage protection, Low Voltage protection alarm;Total Harmonic Distortion (THD) <3%; Soft start low interference tech and temperature control cooling fan. Output Voltage: AC 120V; Frequency: 60Hz