This Humminbird Helix 12 CHIRP DI GPS G2N fishfinder is the perfect tool for any fishing enthusiast. Its 12-inch display size and GPS sensor make it easy to locate fish and navigate through water. The head unit is in great working condition and ready to take on your next fishing trip.With the brand being Humminbird, you can trust the quality of this head unit. It is designed for fishing purposes and packed with features such as CHIRP and DI. Whether you are a professional angler or a beginner, this fishfinder is a great addition to your fishing gear.Tested and working perfectly