1,Buffer circuit,low interference electric generator, 2,Sine wave car power inverter, 3,Good heat dissipation. ModelTHA300SpeciaficationInput DC 12V,output ... weight900gOtherSize185*102*58mmPackage size270*195*70mmCarton ApplicationMobilephone,Vehicle,Camara,Lighter,Electric shaver,CD player,Notebook,TV,Fan 12V sine wave ...