Let your PAL guide you. Hoop square with PAL, stitch precise seam allowances with PAL, works on dark, light and printed fabrics, position the beam any distance from the needle. Guide your seam allowance along the lighted path for even, crisp seams. Use the crosshair for precise pivot and turn sewing. Works with any hoop, perfect for continuous embroidery. Includes: 3 AAA batteries, USB connection from your sewing machine or computer. Features: Swivel tip allows for proper aiming of the laser crosshair, bright, crisp, lines show through uniform brightness across entire length of beam, Less than 4 square, the weighted base stands firmly at the sewing machine or cutting table. Soft contour edges are ideal for close positioning next to machines and embroidery hoops. Quality metal gooseneck lamp for quick adjustments.