This Garmin GPSmap 188C SounderPlotter Fishfinder GPS Display Unit comes with everything you need, including power and antenna, to get started on your next boating adventure. With its advanced technology and easy-to-use interface, you can easily navigate through all of your favorite fishing spots and chart your progress along the way. Made in Taiwan, this top-of-the-line device is perfect for any avid fisherman or boater looking to enhance their navigation experience. And with its reliable performance and sleek design, you can trust that this device will help you achieve your goals out on the water.