The Furuno PSD002 Switch Box PSD-002 Card Reader TZTBB with Cable (TZTouch, NavNet) is a specialized electronics and navigation product designed for boats. Made by the reputable brand Furuno, this switch box/card reader is essential for marine navigation systems. The included cable makes installation and use convenient and efficient, ensuring seamless communication between various devices for optimal performance on the water. Perfect for boat owners looking to enhance their navigation capabilities.