Built-in WiFi to transfer sonar readings to your device. Built in memory stores sonar setting when the fish finder is turned off. 80M WIFI operating depth range. The item "Lucky Portable Wifi Fishing Finder Camera Underwater Camera For Phone FF3309 CM" is in sale since Wednesday, December 19, 2018. This item is in the category "Sporting Goods\Fishing\Fishfinders".The seller is "victorysurplusstore" and is located in Ontario, California. This item can be shipped to United States.