Airmar B117 Bronze Thru-Hull Transducer w/Humminbird #9 Plug - 7-Pin [B117-DT-HB] Marine Hardware | Latches The radio also comes with

The radio also comes with the public address feature

Military grade bungee cord with stainless steel hardware

Water Heater Pressure Relief valve

Model:  RA5205SL

Base Dims 1-15/16

Airmar B117 Bronze Thru-Hull Transducer w/Humminbird #9 Plug - 7-Pin [B117-DT-HB] Marine Hardware | Latches The radio also comes withB117 Bronze Thru Hull Transducer w Humminbird #9 Plug 7 Pin The B117 features our 50 200 kHz, dual frequency, single ceramic element in a low profile housing. The nearly flush design minimizes drag with only 5mm (3 16") extending outside of the hull. The plastic P319 and stainless steel SS60 models are also available to accommodate all hull materials. Features Industry standard for low profile transducers Depth and temperature Good target detail in