Andoer Smart BT Fish Finder with APP Portable Fish Detector Depth Finder Night Fishing Finder for Kayak Boat Ice Fishing

BT2.0 function supports the connection with smart phone APP.Replacement for iOS and for Android devices.Receiving Distance: 20meters. High resolution imaging display allow you kow the real-time datas,like fish location,water depth,,battery power,etc. Small,medium,or big sized fish icon displays on the screen when fish is detected. Adjustable sensitivity enables you to use the fish finder in different fishing environments. When the bottom sensor of device meets water,the night w