400W Digital Power inverter Over-voltage,low voltage,overload,short-circuit and over-temperature ... /ACNO load current draw: <0.45A Waveform: Modified Sine wave Best useful efficiency: more than 90% Over-voltage,lowvoltage,overload,short ... . (kg): 6.8CBM: 0.0420' CNTR: 771640' CNTR: 15252 Power Inverter