["for Smart Portable Depth Fish Finder with 100M Wireless Sonar Sensor for Echo Sounder LCD Fishfinder for Lake Sea Fishing Saltwater\n\n Feature:\n This fish wireless sensor uses wireless sensor,you can cast it out on the water,the placing location is flexible.\nThe wireless sensor uses for echo sound to detect fish,is fit for sea fishing,river fishing,lake fishing and ice fishing etc.\nIt is small and lightweight,a practical and portable tool to use,is convneinet to carry.\nWith it to easily detect the fish,it can make you don'for t need to for always watch the fishing buoy.\nYou can adjust the sensitivity settings,then the device can detect and distinguish the small fish and big fish.\n\n Specification:\nMaterial: Plastic.\nColor: Show as picture.\nSize: Show as picture.\nDepth Range: 2-120Ft/0.6-45M\nWireless Operating Range : 100m\nSonar Frequency: 125KHZ\nSonar Beam Angle: 90 degree\nRadio Frequency: 433.92 MHz\nOperational Temperature: -20 ~70°.\nBattery: Mainframe : Lithium battery 3.7V(not included),Transducer: Polymer battery 3.7V(not included).\nBattery：AA 5 batteries\n\nNote\nThere might be a bit color distortions due to different computer resolutions.\nThere might be a slight errors due to different hand measurement.\n\nPackage included:\n1 Fish finder.(Battery not included)\n1 Sensor.\n1 Antenna.\n1 Manual.\n1 USB cable.\n1 Rope."]