... for people on the power off situation.Can be used in many occasion, such as in cars,in trucks,at boat,with ... vacuum ,etc.2000W:Fridge ,Reversible Drill, washing-machine ,etc.3000W: Water pump ,air conditioner ,etc. Output continuous power1000WOutput peak ... scopehousehold electricity supplyinverting DC to AC requirementNot household electricity supply, AC input low voltage protection, AC input high ...