1.use 4pcs AA cell ,the voltage is 6V 2.can be used anywhere you want 3.fast heating 4. ... protable model Applicaliton:1.the toy model 2.Artifical flowers,christmas tree3.Decorations,the metals product4.the wood ... adherent.2.Putting the adhesive granular into the machine of spreading cloth, after melting,spreading it to the adherent. AA cell battery glue ...