5) Pattern form: .DST, DSB, ZSK, SWF ect. 6 ... version. With more than 250 patterns downloaded in the computer; lockstitch, high precision2) Power supply: 220V, 50Hz ... thread breaks4) Automatically stop against malfunction of computer, motor, and display5) Pattern form: .DST, DSB, ZSK, SWF ect ... HXD-26 SINGLE HEAD QUILTING MACHINE,HXD-30 COMPUTER QUILTING MACHINE,HXD-26 SINGLE HEEDLE QUILTING ...