clear boxes for fishing FREGITO 2 Pieces Tackle Box, PP Storage Box, Tackle Organizer with Removable Dividers, Transparent Storage Trays Fishing Lures, Baits, Hooks, Sinkers 11.8 * 7.9 * 2.3 Inch : Sports & Outdoors by Chill IFAMIO Clear Plastic Storage Case

So, for around $260, you are sorted to go catch a feed

PARAMETER ModelLBT-1 Screen Size3.5inch Operational Temperature-10~50 ProbeWireless Probe Depth Range0.6-60m Sonar Frequency/Beam Angle90 degree in 125KHZ Wireless Operational Range300m Scenario:Carp Fishing PRODUCT HIGHLIGHTS Display Fish Location Display Water Depth Display Water Temperature Display Underwater Contour Enlarge Certain Range Of Depth Information Beep Notification Of Fish Activity Latest Operating System (CZ 20.1.8) Fish Size Indication Reef Warning RELATED PRODUCTS HOW SONAR WORKS

My buddy was fishing another brand and I let him fish(sample) one of my new rods and he loved it

I do have the book you reference and what a huge amount of information they put together between two covers