Style:4423 Sewing Machine Whether you're looking to make garment alterations or to start a new project from scratch, the heavy duty Singer sewing machines and its sewing accessories are an easy-to-use and versatile products. Its automatic needle Threaded is sewing's biggest timesaver, and the machine's 1, 100-stitches-per-minute speed allows you to bring your creative ideas to life quickly. While Threading the Top Thread - Always thread the machine with the presser foot in the "up" position, Always turn the hand wheel towards you (COUNTER CLOCKWISE) to avoid damage to your machine. Voltage - 120V