Es550c2x is a 220v 230v 240v model with iec plugs, 550 va / 330 watt battery backup system, protecting your computers, lcd/led monitors, routers, switches, modems, tvs, game consoles and more. It comes with simulated sinewave, line interactive avr (automatic voltage regulator) design, which corrects your voltage without using the battery power. In case of power outages or surges, it is comforting to know that es550c2x provides surge protections for your power outlets (1050 joules) and internet/lan (rj11/rj45) connections. Free optisafe sentinel software via USB port, along with LED display, alerts you with the current power and ups status, email notifications can be programmed. Battery recharge time is short 4 hours, in case of power cuts, the transfer time is 4 ms (milliseconds). Full time emi / rfi filtering. Total of 5 iec outlets (3 battery backup outlets, 2 surge only outlets) the OPTIUPS es550c2x comes with 3 year limited warranty, CE certified.