The Garmin GDT 43 is a high-performance depth and temperature transducer designed for avid anglers and boating enthusiasts. Measuring 43mm, this sleek black device provides accurate depth readings and water temperature data, ensuring you stay informed while on the water. Its durable construction guarantees reliability in various marine environments. With easy installation and compatibility with Garmin chartplotters, the GDT 43 enhances your fishing experience by helping you locate fish more effectively. Upgrade your boating gear with this essential tool and make every outing a successful adventure!