MEAN WELL TS-3000-112F 3000 WATT 12 VOLT PURE SINE POWER INVERTER WITH DUAL GFCI OUTLETS 3000 WATTS CONTINUOUS POWER 6000 WATTS SURGE POWER 3450 WATTS FOR 180 SEC. / 4500 WATTS FOR 10 SEC. / 6000 WATTS FOR 30 CYCLES AC VOLTAGE: 100 / 110 / 115 / 120vac selectable by setting switch Frequency: 60 hz, 50/60HZ SELECTABLE