Hybrid Dual Imaging (HDI) transducer (83/200/455/800) features the power of two award-winning technologies - Broadband Sounder PLUS Exclusive DownScan Imaging. Transducer provides the best-possible view beneath your boat. Built-in temperature sensor. Includes 20' cable and mounting hardware. Compatible with: Elite-7 combo and fishfinder models, plus HDS Gen2 Touch fishfinder and combo models Built-in temperature sensor Includes 20' cable & mounting hardware | Lowrance HDI Skimmer Transom-Mount Transducer