Lucky Wireless FishFinder Sonar Fishing Lure 120M Operate Fish Icon Display w/ Sonar Echo Sounder Alarm RL49-0065 Fish FinderSonar Frequency: Wireless: 125Khz Power Source: No. 7 Battery Power Input: AAA Language: English Brand Name: LUCKY Detecting Range: 0. 6 73 Meter Sonar Coverage: 90 degree beam angle Waterproof design: Level 4 (spray water proof) fish finder Display: 2inch TN ANTI UV LCD fishfinder Depth Capability of fishing finder: 130feet(40m) Feature 1: Wireless Sonar FishFinder Feature 2: Fish Icon Display fish finder Feature 3: w Sonar Echo Sounder Alarm fish