This AIMS "no-frills" economical 1250 watt 12 volt power inverter converts DC (direct current) power stored by batteries into AC (alternating current) electricity that can be used to run practically any household appliances or tools. We designed this unit to be more compact, lightweight and economical. This unit produces a modified sine wave, which is capable of running most tools, pumps, motors and appliances. Make sure to check the watts and/or amps of your equipment. Use this product for off-grid back-up power at home, cabin, boat, or anywhere that doesn't have city power. This inverter is also perfect for smaller solar systems.