... computers, printers, copiers, scanners, digital cameras, DV etc.;4) For household: vacuum sweeper, electric fans, lighting, electric cutting knife, sewing machine ... sand blasting machine, punching machine, weeder,air compressors, etc.;7) For electronics: TV, DVD, game machine, power amplifiers, audio equipment,monitoring ... support, OEM services. power inverter 500W with USB charge for car use