Check the listing for details. Colour Wireless Fish Finder - Castable - 100 Meter Range - Depth, Features, Carp. Condition: New. Listed at 103.30 USD. Limited Offer @ £79.99 Colour Wireless Fish Finder fitted with aerial – 100 Metres Wireless range.Model Number FF718Li-CW 3.7V Rechargeable lithium batteryWireless Sensor w/ 90° beam angleDepth Unit : Meter / FeetHigh frequency,125kHz (wireless)°C / °F temperature unitTwo Language option : English and RussianBlue,Orange or Grey Selectable in Colour Tone Menu FeaturesDisplay bottom changing contourHigh/Low sensitivity setting, audible fish and depth alarm100 meters wireless operational rangeWater temperature and battery strength indicatorWith Simulation modeDisplay Large and Small Fish Icon with on / off featuresUse Antennas in order to increase the wireless receiving distanceCompact and Portable, easy to carry anywhere100% waterproof design: floating main unit and sensor Specifications:Fish finder (Main Unit)Display : 2.8inch colour TFT LCD Display 240*(RGB)*320Depth unit : Meters / FeetMultiple Language options : Wireless Operational Range : 328ft or 100 MetersColour Tone Menu : BLUE, ORANGE or GRAYPower Input : 3.7V rechargeable lithium batteryCharger Voltage : AC 5V,1A.Running Time : 20 hours (depend on actual using and working status) Wireless Sonar SensorSonar Operating Frequency : 125kHzSonar Coverage : 90° beam angleDepth Capability : 2-145 ft (0.7-45M)Operational Wireless Frequency : 433.92MHzBuilt in temperature sensorPower Supply : 1 x CR-2032 Lithium batteryApproval : CE-Approval Set Includes:1 x Coloured LCD Fish finder1 x Wireless Sensor1 x CR 2032 battery1 x Charger Plug1 x USB charge Cable1 x Neck Strap1 x Vehicle Cigar Plug Charger (You may charge the battery inside the car)1 x Warranty Card1 x Instruction ManualStandard Packaging Box