wireless Wireless sonar detector, outdoor fish detector, LCD display AZ8388 Feature:[Design]-This fish finder is the wireless version of our 100m wired fish finder, specially designed for amateur and professional fishermen and fishing to find fish (in groups or not in groups) in any specific area To determine the depth of the water[Using the latest advanced sonar detection technology]-It can display the outline of the seabed in real time, and it can also detect and display the grass, sand and rocks on the seabed. This amazing product can be used for fresh water and salt water, such as oceans, rivers, lakes, etc.[Wireless sensor]-beam angle is 90 degrees, wireless range: 100 meters (or 320 feet), depth range: 0.7 ~ 40 meters (or 2 ~ 130 feet), adjustable high/low 5 sensitivity settings[Signal strength indicator]-The wireless sensor will automatically turn off when wet or without water. It can be selected between meter or foot readings. Waterproof design. It floats (sealed with gasket) and can be used as a fish finder and depth detector . 125KHz sonar receiving frequency[Clear LCD display]-Green LED backlight with on/off function, weed detector can identify big/small fish, fish icon and bottom outline survival date are displayed at the bottom, seaweed is in the grass, weeds are short and tall , Sand and rocks