This 4-way manual data transfer switch box features four DB25 female connectors, making it perfect for connecting multiple parallel printers or PCs. It is a versatile and reliable solution for any office or home setup. With its rotary design, switching between devices is quick and simple. It is also manufactured to meet the highest standards, including RoHS, UL, CSA, and ISO 9001:2000. This data transfer switch box is a must-have for anyone looking for a convenient and efficient way to manage multiple devices.