LUCKY Smart Fish Finder – Portable Wi-Fi Fish Finder for Recreational Fishing from Dock, Shore or Bank

* High castable sonar:cast futher,scan depper,compatible with iOS/Android devices.Portable transducer can be used in ocean, river or lake powered by 3.7V built-in lithium battery. * Use smart technology with Wi-Fi connectivity ,without mobile data or internet required. It generate own Wi-Fi signal, anytime, anywhere. * The app will give you a fish alarm when the fishes are detected by wireless sonar fish finder. Built-in Water Temperature Sensor. With adjustable unit(feet/m, ℃/℉) in the app, freely choose which one you prefer. * Designed for amateur & professionals in fishing.Portable, cartable wireless fish finder for family trips, fishing with friends or casual anglers. * It works in waters deeper than 3.3 feet / 1 meter;please note ： Don't test the fish finder in swimming pool,bathtub, bucket, fish tank, sink etc.