This Garmin GPSMAP 78cs is a reliable marine GPS unit with a 2.6" screen size. It is designed to be waterproof and perfect for use on the water. With its high accuracy and precision, this GPS unit is a great tool for any boater or fisherman. It is a versatile device that can be used for navigation, mapping, and tracking.

This GPS unit is from the trusted brand Garmin and its model is the GPSMAP 78sc. It falls under the category of consumer electronics and is specifically designed for vehicle electronics and GPS units. Its features include waterproofing, making it ideal for use in marine environments. This description provides an overview of the product without mentioning its condition.