Thanks to highly accurate temperature and water pressure sensors, the Fish Hawk TD provides an accurate water temperature profile of the entire water column by showing the water temperature at every 5-feet of depth down to 300-feet. The Fish Hawk TD also reveals the true running depth of copper, leadcore, and dipsey lines. Saltwater approved.
Operating Depth Range: 0-300 feet. Maximum Depth: 400 feet. Operating Temperature Range: 32°F to 102°F. Unit of Measure: English or metric. Internal Lithium Battery: 20-year shelf life.