3000wat modified sine wave power inverter,high efficiency power inverter power inverter,mdofied sine wave CE&ROHS, Function details ModelMK-3000M-121MK ... waveformModified Sine Wave Efficiency>85%>88%>90%>85%>88%>90%DC input voltage range10.5-15V21-30V42-60V10.5-15V21-30V42 ... to avoid damage the equipment; 6, Inverter will automatically shut down if load exceeds inverter rating; 7, Covered under a 1 ...