Pure Sine Wave UPS With built-in AVR function Input voltage range: 140V~275V Output: 110V/220V optional, 45Hz~65Hz Applications:Television, refrigerator, air condition, computer, electric fan, induction cooker, generator, printer, duplicators, lighting equipment, test equipment, and etc.Description:PSI Series UPS(inverter) provides pure sine wave power for commercial, household and industrial ...