... start & fan cooling CE JSM-12-3000 12V Modified DC/AC Square Wave Inverter Features:1.Modified ... fanOrder Remarks:1.DC Input voltage: 12V, 24V, 48V2.AC Output voltage: 100V, 110V, 120V, 220V, 230V, 240V3 ... Frequency: 50Hz, 60Hz, 50Hz/60Hz(having frequency switch)4.Socket types: USA, Australia, universal, UK, France, Germany ... , small television sets, car refrigerator, etc.Socket types:Waveform figure: