Feature:1. A must have for every fisherman.2. With the powerful magnetism, this side magnet can be quickly connected to the other end.3. Super-strong magnets keep your fishing gears (fishing grabber, pliers, landing net etc.) attached, even when you\u0027re tramping through dense brush.4. Magnetic strength tension can reach 6.6lb max.5. Easily attach to D-ring loop on vest via split rings on both ends.Specification:This wireless sonar fishfinder adopts the latest advanced sonar detection technology to display live update of the water bottom contour and scan a large area in just a few minutes. It can be used in ocean, rivers, lakes, ponds, reservoirs, etc.Features: Wide and clear dot matrix LCD display.Depth readout ranges from 2.0~135ft and display bottom changing contour.High / low sensitivity setting, audible alarm of fish and water depth.150m / 500ft wireless operating range.Wireless sensor with 90 degree beam angle.Water temperature and battery indicator.Rechargeable wireless sonar.Can be used as a depth sounder.Adjustable sonar sensitivity setting.With simulation mode.100% waterproof floating sensor.3 languages for choice: English, German, Russian.Detects both fish location and depth in both fresh and salt water.Fish icon and live-update water bottom contour (grass, sand and rock) in the sea.With alarm and adjustable chart speed, sensitivity level setting, depth range setting.Specification:- HostDisplay: Adjustable high contrast dot matrix FSTN LCD 128V x 64HDisplay Size: 41 * 48 mm (1.61" * 1.89")Back Light: ON / OFF white LEDZoom: OFF / 5m / 10m/ 20m / 30m / 45mDepth Alarm: OFF / 5m / 10m / 20m / 30m / 45mSensitivity: 5 levelsChart Speed: 4 levelsPower Requirement: 4 x AAA battery (not included)Depth Unit: Ft/mTemperature Unit: / Bottom Contour: Show true changing of water bottom contourMemory: Built-in memory stores sonar setting when the unit is turned offWaterproof Rating: IPX4 (Spray waterproof)Language: English, German, RussianOperating Temperature: -10~+50Storage Temperature: -20 ~+70Size: 122 * 75 * 31mm / 4.8 * 3.0 * 1.2in- SensorDepth Range Max / Min: 45m / 0.7m (147.6ft / 2ft) Wireless Operating Range: 150m / 500ft Coverage: 90 degrees beam angle in 125Khz Power: 1 * 3.7V rechargeable Lithium battery (included)Size: 80 * 60mm / 3.1 * 2.4inWeight: 70g / 2.45ozPackage Size: 20.5 * 16.5 * 7.7cm / 7.28 * 6.50 * 2.24inPackage Weight: 439g / 15.5ozPackage List: 1 * Professional Dot Matrix Wireless Fish Finder1 * Wireless Remote Sonar Sensor1 * DC Adaptor1 * Charging Cable1 * User Manual (English)1 * User Manual (Russian)Package List:1 * Professional Dot Matrix Wireless Fish Finder1 * Wireless Remote Sonar Sensor1 * DC Adaptor1 * Charging Cable1 * User Manual (English)1 * User Manual (Russian)