WiFi Portable Fish Finder Wireless Sonar Sensor Handheld Fishfinder Depth Locator with Fish Size, Water Depth, Color LCD Display Dot Matrix 40m Range 80m Distance Fishing Detection Fish Detector

Hi there I will start with the most simple description its a portable fish finder, quite affordable it comes with the wifi sonar, small antenna and neck strap very interesting is the fact this gadget is almost water-resistant proof button Turn On/Off Menu button i'll point one of the most frequent con screen light even on a shadow u cant read all info properly the transducer start automatically whenever is emerged in the water a few moments later on the deviation of the readings is about 10% 23.9 C 26 C I just tried to test the receiver with different antenna's its about 50meter distance still good connection at 80 meter at 50 meter less than 40 meter getting good connection regular one antenna better performance than the previous one the length of the floating system is 60cm if the float doesn't emerging in the water than means depth is the same! according to this reference u can tell