Compact design Max continuous power：70W. Surge capacity (peak power): 140W NO load current draw: ≦0.1A Waveform: Modified sine wave Input voltage: DC 11V-15V AC receptacle: 110V/60HZ or 230V/50HZ. Best useful efficiency: more than 90% Over-voltage, overload, short-circuit and over-temperature protection and lack Voltage shutoff. Cover: ABS