1,Buffer circuit,low interference electric generator, 2,Sine wave car power inverter, 3 ... connect: Blown fuseNet weight700gGross weight900gOtherSize185*102*58mmPackage size270*195*70mmCarton ApplicationMobilephone,Vehicle,Camara,Lighter,Electric shaver,CD player,Notebook,TV ... ,Fan 12V sine wave car/solar power inverter 300w electric generator