... transformer inside Applications:Television, refrigerator, air condition, computer, electric fan, induction cooker, generator, printer, duplicators, lighting equipment, test equipment, and etc.Description ... VacFrequency45~65 HzOutputVoltage220Vac ±1% for inverter; 220Vac ±8% for regulatorFrequency50/60 Hz ± 0.5Hz, subject to the mainWave formPure sinve waveWave ...