... 5.All round safety protection 600w DC 12V to AC220V Uninterrupted power supply ups 1. Efficiency:>90%2. DC 12V/24V input3. AC 220v ... , such as in cars,in trucks,at boat,with solar system,and so on . It can drive many equipments ,for example ... working scopehousehold electricity supplyinverting DC to AC requirementNot household electricity supply, AC input low voltage protection, AC input high voltage ...