The Garmin GPS 73 Handheld Navigator is an easy-to-use, high-sensitivity GPS device designed for boats, sailboats, or small watercraft without a chartplotter. This waterproof handheld unit marks and stores up to 1,000 waypoints and 100 tracks, making it simple to navigate back to your favorite locations. With Garmin SailAssist, it includes virtual starting lines, heading lines, countdown timers, and tack assist for effective sailing. Its high-contrast backlit display is easy to read in all lighting conditions, while the device’s compatibility with NMEA 0183 allows for data transfer to your computer. The GPS 73 also features built-in celestial data, including sunrise/sunset times, a hunting and fishing calendar, and marine data to enhance your navigation experience, whether on land or water. Additionally, it floats for added convenience and safety in emergency situations.