Fishfinder 595c is a combination GPS chartplotter and sonar capability in one compact unit with a quick disconnect mount. Built-in UniMap™ of the USA coastline, and inland lakes and rivers to 4nm detail. 12 Channel WAAS GPS receiver for highest accuracy. 320V x 240H 5" brilliant color TFT display. Temperature included in transducer, GPS speed included! One-year limited warranty. Assembled in U.S.A.Fishfinder 585c packs a large, brilliant color TFT screen 320V x 240H 5". 20° single beam sonar optimized for coverage and precision bottom detail. Better performance with 300 Watt RMS (2400 Peak to Peak) power output and depth capability to 1000 ft. Temperature included in transducer, speed capable! One-year limited warranty. Assembled in U.S.A.