Make sewing seams easier with our alignment laser that is hard mounted to the sewing machine to allow stability so the laser doesn’t move during operation. Sew Q is plugged in by a USB port and is adjustable by tightening a screw. The laser shines well with machine and room lights on. Stable line doesn’t move while sewing. Increased accuracy for sewing and quilting. Can reduce sewing time. Bright laser line. Easy to align and attach. Hard mounted and adjustable, included in package - 1 Base Mount 1 Thumb Screw 2 Cable Supports 1 USB Cable with Laser Attached 1 USB Port 1 Alcohol Prep Pad 2 Double Sided Adhesive Tape Alignment Guide USB powered and no batteries to recharge with 4ft cord. On/Off switch. Can be moved from machine to machine with Additional Base Mount Kit SQL001BMK. By Sew Q Laser. Keep out of reach of children. Warning: As with any laser, do not shine laser directly into eyes.