The X4D System shows speed and water temperature at the lure, plus the real depth of your downrigger ball. Bluetooth wireless technology shares screen data with a mobile device. The free Fish Hawk mobile app turns your smartphone into a second display that let's you log and share information.
Wireless sonar data transmission
Shows the true depth of downrigger ball
Built-in Bluetooth wireless technology
Easy to see, large digit display
Wirelessly integrates with Cannon Optimum Downriggers
Three-level back lit display  
Long probe battery life
Measures in Fahrenheit/Celsius; feet/meters; MPH/KPH/KNOTS
Two-year warranty
Made in U.S.A. 
Includes
Transom mount transducer with 30' cable and hardware
Power cord with 20' cable 
Display with mount
Display cover 
Fish Hawk Probe
Double snap swivel