Features 1、High Performance: The fishfinder has 200KHz sonar frequency, 45 degree sonar detection angle and 0.7‑100m sonar detection depth. In addition, this fishfinder has a detection depth of 100m and a detection frequency of 433.92MHz. 2、Easy to Use: This fishfinder can visually display the location of the fish, the probe data can be updated in real time, and you can identify the fish information by referring to the scale on the right. 3、Intelligent: The fishfinder can intelligently distinguish big fish, small fish and miscellaneous fish and can easily filter them. Through the 5 level sensitivity setting, The machine can easily filter fish information according to your needs, so that you can enjoy different fun in fishing. 4、Practical: The sonar fishing finder can help you better determine the activity of the fish, correspond to the fish's demand for temperature, better judge the time of hooking, and never worry about there is no harvest. 5、Wide Applicability: The wired fish finder is suitable for various fishing methods, such as ice fishing, river fishing, sea fishing, shore fishing, kayak fishing, etc. Specification Item Type: Wired fish finder Material: ABS Weight: Approx. 548g/19.3oz Host Battery: 4 AAA batteries(Excluded) Sonar Frequency: 200KHz Sonar Detection Angle: 45° Sonar Detection Depth: 0.7-100m/27.6-3937in Detection Depth: 100m/3937in Detection Frequency: 433.92MHz Package List 1 x Wired Fish Finder 1 x Probe 1 x Mounting Bracket 1 x Lanyard 1 x Instructions