Reliable DreamStitcher 600SO 2/3/4-Thread Portable Sewing Machine 2/3/4-thread portable serging machine for woven and stretch fabrics 2-thread overlock converter; differential feed; automatic thread trimmer Built-in roll-hem plate ; 1000 rpm maximum speed; motor and foot pedal; built-in light Rotary tension dials; stitch-length adjustment; instructions and accessory kit included Measures approximately 15 by 12-3/4 by 13-3/4 inches; 1-year limited warranty