Brand Name: LUCKY Origin: Mainland China High-concerned chemical: none Power Source: No. 7 Battery Power Input: AAA Detecting Range: 0.6-183 Meter Sonar Coverage: 45 degrees Language: English Sonar Frequency: Cable: 200Khz Display: 2inch TN/ANTI-UV LCD Depth Capability: 328feet(100m) Power Requirement: 4xAAA alkaline batteries Waterproof design: level-4 (spray-water-proof) Sonar Coverage: 45degrees beam angle in 200Khz Manual Approved language: English& Russian&German Choice: yes semi_Choice: yes