Extra-High Sewing Speed of 1,100 stitches per minute gives you professional speed for faster resultsHeavy Duty Interior Metal Frame ensures that the machine remains still for skip-free sewingStainless Steel Bed Plate provides smooth fabric feed for even sewing, 11 Built-In Stitches - essential, stretch, decorative, 1 automatic 4-step buttonholeEasy-to-Load Top Drop-In Bobbin System with Clear Cover. 110 volt machine designed for United States and Canadian use onlyKindly refer the user manual given below for troubleshooting steps.