a little pricey perhaps canadian tire carries a portable humminbird, comes in a great ballistic nylon case, suction cup style transopomder and small 12v battery with charger all wrapped up in a weatherproof package with its own base. i sold mine when i bought my boat as it had fishfinders mounted but this unit was geat. other advantages is take it ice fishing, on the boat you rented, in your buddies etc, and if you ever want to permanently mount it buy an accessory transponder. a little rich at 289 on sale but loaded with features!