The TD battery has a 20-year shelf life. Used daily, it would provide seven years of use. It is not replaceable.
Yes. The X4D probe will work with a X4 display also, but depth will not be shown.
Yes, but we recommend factory default. Fish Hawk provides 100% repeatable mechanical speed. Repeating the productive number is much more important than the actual value.
Orders placed before 2:00 PM CST are shipped the same business day. Transit times vary by destination.
No. Fish Hawk operates at 70 kHz. Fish Hawk will not interfere with 200 kHz, CHIRP, or side imaging transducers mounted side by side. Interference is possible at 83 kHz and 50 kHz, so simply operate the fish finder at a higher frequency.