The sonar sensor depth finder can detect the fish size with depth, water depth, water temperature and underwater contour in both fresh and salt water.
detection depth can be up to 36M:The range coverage of this fish finder is up to 30M and the detection depth can be up to 36M.
support Bluetooth:connect the smart sonar sensor with your phone. Only open the fish finder's WiFi when you connect it to your device.
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 in the app, freely choose which one you prefer.
Designed for amateur & professionals in fishing. The portable transducer can be used in ocean, river or lake,powered by 1000 mah lithium battery. If you like ice fishing, just dig a hole on the ice and put the sonar fish finder in water.