Here's a pair of lowrance fish finders to up grade your system if you already have lowrance in your boat these are just plug and play I am sorry I don't have the power cords or the transducer my buddy already has the lowrance system in his boat and they were both tested and are working great the lowrance hds 12 sells for $2000.00 on sale at cabelas I am a true fisherman and don't play games if you don't have the lowrance system in your boat you can get the cords from west marine on Hayden Island for $275.00 this is a amazing set up comes with SD card won't last long at this price thank you for looking and have a great day would be happy to meet up and plug into your system I have nothing to hide " make offer "