EPOWER Pure sinewave inverter EP300W-EP3000W, a high-performance portable powers to your outdoor livings. Our inverters convert 12 V, 24 V or 48V direct current to a 110V or 220V alternating current at a frequency of 50 Hz / 60Hz. EP series with Features: 1. Over-voltage and low-voltage protection 2. Automatic reverse polarity protection 3. Over Temperature protection 4. Overload Protection 5. Short Circuit Protection Compared to commercial grade modified sinewave power inverters, the output of pure sinewave inverters are more suitable for sensitive electronic equipments such as: Home Theater, High-end Stereos, Computers, Power Tools, Radios, TVs, Musical instruments, Recording equipment, Precision equipment, Sensitive radio equipment, Laser printers, Fax machines, etc.