Find fish by finding their preferred water temperature! The Fish Hawk TD reveals water temperatures from the surface all the way to the bottom. Two operation modes display the water temperature every 5-feet, or at the maximum depth. Temperature and water pressure sensors sample multiple times per second for unmatched speed and accuracy. KEY FEATURES Deploy by attaching to a fishing line BY TEMP mode shows water temperature at 5-foot intervals BY DEPTH mode records depth and temp to the nearest foot to measure running depth of tackle Sealed lithium battery provides 7-years of daily use and has a 20-year shelf life Measures in Fahrenheit/feet or Celsius/meters 300-foot maximum operating depth 2.7 ounces For fresh or saltwater use Includes attachment snap Two-year warranty Made in USA US Patent US2012001193 A1
