... voltage:110V /220V 3.continue power:1500W 4.output :low frequency 1.Output waveform:pure sine wave 2.input voltage:12V ... :>85%7.Output frequency: 60HZ/50HZ Use rangePowerNormal Range of use300wMini-fan, TV, light , cell phone, digital camera etc.500wFan, ... , digital camera etc.1.4kw120W air-condition, DVD, VCD, TV, washing machine, oil and smoke pumping machine, refrigerator, video, Massager, fan ...