This Laser can attach to almost any sewing machine above the needle area and projects a laser directly onto your fabric, making it now effortless to keep your seams completely straight. This allows the quilter/sewist to make precise stitches without any fabric marking or measurements beforehand. Lining up perfectly straight seams can take patience and skill. The Sew Q Laser makes it easy! -Stable line doesnt move while sewing -Increased accuracy for sewing and quilting -Can reduce sewing time -Easy to align and attach -Hard-mounted and adjustable -USB powered and no batteries to recharge with 4ft cord -On/Off switch -Can be moved from machine to machine with Additional Base Kit