This Panasonic desktop dock/port replicator is a perfect fit for your CF-54 or FZ-55 Toughbook. It includes ports for VGA, HDMI, USB 3.0, USB 2.0, Ethernet (RJ-45), and Serial (RS-232) connections. The dock is made specifically for Panasonic Toughbook models CF-54 & FZ-55. With this dock, users can easily connect their laptops to multiple displays, external storage, and other peripherals. It is a must-have accessory for those who need to connect their laptops to multiple devices in a professional or personal setting. THIS UNIT INLCUDES A POWER SUPPLY!