SOLDER PRO 180 TORCH KIT with LEC Power Technology. LEC = Liquid Energy Cell. LEC technology enables secure and legal carriage by air, train and other public transport as well as providing simple refueling. Automatic ignition ready to use in 30 seconds. Includes torch, 5 tips, 2 energy cells, solder, flux paste, cleaning brush, wire cutters, solder sucker tool and case.