Top of the range model, which takes advantage 100-05-300 from Wireless technology to send the information directly to your smartphone.
The product is just made of a floating sounder, which works thanks to a rechargeable 3,7V incorporated battery (5 hours autonomy); it gets power through a supplied USB cable.
The maximum range to get wireless data is around 50 metres, with 45 metres max water’s depth.
This Fish Finder also reads water temperature.