... 3.Zinc alloy+ABS 4.Durable,convenient and safe Item: digital electronic lock1.Operation :Input password to operate2.Size :Lock panel ... quality RF card hotel door lock,RF card locker lock,Digital locker lock,Energy savingswitch,Doorbell switch,Touch screen light switch ... spirit spark.3) SCC’s product,from design,development,mold-making,producing,assemble and testing,all did by ourselves.4) SCC ...