LUCKY Fish Finder FFW718 Fish Finder Fishing Alarm Sonar Wireless Fishfinder depth Finder Alarm 100M Fishing lurDetecting Range: 0. 6 73 Meter Sonar Frequency: Wireless: 125Khz Brand Name: LUCKY Power Source: No. 7 Battery Sonar Coverage: 90 degrees in 125Khz Power Input: AAA Language: English Russia Fish finder item number: Lucky Fish finder FFW718 Fit for: Fisherman fish finder Fish finder Language: English Russian ( leave message if you want other ) Wireless sensor power requirement: 1*CR2032 battery Wireless operating fish finder range: 400 feet(120 m)