... sine wave output Soft start & fan cooling CE JSM-12-3000 12V Modified DC/AC Square Wave Inverter Features:1.Modified ... very soon.Applications:1.Common electrical: notebook computers, the Internet, GPS, camera, PDA, cell phone, mobile DVD, audio, battery charger, printers ... sets, car refrigerator, etc.Socket types:Waveform figure: JSM-12-3000 12V Modified DC/AC Square Wave Inverter