This is garage kept equipment. Both transducers and the structure scan unit and all wires. You will only need new boat brackets.
See pic of transducers for reference. I also will include the operations guide that came with the unit. The item "Lowrance HDS-7 Plus Structure Unit And Transducers" is in sale since Saturday, September 10, 2016.This item is in the category "Sporting Goods\Fishing\Fishing Equipment\Fishfinders". The seller is "galus_ri7vrn" and is located in White Lake, Michigan. This item can be shipped to United States, to Canada, to United Kingdom, DK, RO, SK, BG, CZ, FI, HU, LV, LT, MT, EE, to Australia, GR, PT, CY, SI, to Japan, to China, SE, KR, ID, to Taiwan, TH, to Belgium, to France, to Hong Kong, to Ireland, to Netherlands, PL, to Spain, to Italy, to Germany, to Austria, RU, IL, to Mexico, to New Zealand, SG, to Switzerland, NO, SA, UA, AE, QA, KW, BH, HR, MY, CL, CO, CR, PA, TT, GT, HN, JM.