The Garmin GPS 73 is a handheld GPS device designed for marine use. It features a high-sensitivity GPS receiver, a built-in compass, and a barometric altimeter. The device is waterproof and floats, making it ideal for use on boats or in other water-based activities. The Garmin GPS 73 also has a large, easy-to-read display and can store up to 1,000 waypoints and 100 routes. Our website offers a range of screen protectors for the Garmin GPS 73 to help protect the device from scratches and other damage.