***Price includes shipping and handling*** For owners of the Fish Hawk 840 Thermo Troll. Includes the X4 Display and X4 Probe. The Fish Hawk X4 offers double the performance and uses the same transducer as the 840 - meaning you don't need to re-wire anything on the boat, the X4 plugs right in •Two-times more powerful with less intereference •Sealed electronics case totally eliminates leaks •Deep water transmission, 200' + guaranteed •40% smaller probe for less kickback •100+ hour battery life •Thin profile, small footprint display •Magnum Digit Display with Nightglow •Includes breakaway cannon ball safety cable •Wireless, works with any downrigger and does not need coated cable!