The X4D Probe uses a sonar signal to send water temperature, trolling speed, and depth information to the boat. An on-board water pressure sensor reveals the true running depth of the downrigger ball.
- Detects speed changes of 1/10 MPH
- Probe uses a 70kHz sonar signal to send data
- Water-activated probe extends battery life
- Powered by four AA batteries
- Includes swivels to attach downrigger weight
- Epoxy potted electronics with double O-ring battery cap
- Fish Hawk X4D Display required to view probe depth
