This package includes high-quality screen printing equipment and accessories that will help you create professional prints. The exposure unit can handle frames up to 20 x 24 inches and uses LED bulbs, while the conveyor dryer uses infrared technology. The press station has four stations and six color stations, with a manual automation type.The equipment comes from the well-known brand Riley Hopkins and uses aluminum frames for screens and plastisol ink for printing. The package also includes a heat control for the conveyor dryer and operates on 110 volts. Invest in this top-of-the-line equipment to take your screen printing business to the next level. New and used screens, new and used squeegees the dryer has only had 35 shirts ran through it the exposure unit is a home made LED unit and works great. Good luck and may God Bless you and your family.