null Description: This amazing product is especially designed for amateur & professional fishermen alike, to find out the location of fish & depth of water The unit can be used in ocean, river or lake & is fantastic for detecting schools of fish in any particular area Using amazing & innovative technology, this portable fish finder is the ideal tool to bring the fish to you Feature: Detect & display grass, shorttall weeds, s&, & rocks on seabed Get the approximate location of fish & the depth of water With fish depth scale & audible fish alarm User selectable meter or feet readings Display bottom rock or grass Removable float Specification: Display: 2.4 Inch TFT LCD with Coloured display screen Depth Range: 0.6m to 50m (1.97ft to 164ft) Sensor Beam Angle: 90° Receiving Distance from Fish Finder to Sonar Sensor: 100 M Operating temperature: -10℃ to 70℃ (10°F to 158°F) Battery Capacity: 3.7V 1000 M Ah Fish Finder Charging Time: 3-5 hours Fish Finder Working Time: 10-15 hours Sensor Charging Time: 3-5 hours Sensor Working Time: 10-15 hours Finder Host Dimension: 125*63*20mm Screen Dimension: 40x 40mm Function: fish alarm, quantity, depth etc big-middle-small fish directly to distinguish Instruction Tips: Selectable between meter or feet readings Can mount the sonar with the following methods Fix it to the boat hull Use a float on the cable to mount the sonar inside the water Fix it on a pole & push it into the desirable position inside the water Cut a hole on the ice surface an