Specification: Power Source: DC 10V-18V Language: English Sonar Frequency: Two Modes: Cable: 200Khz, Wireless: 125Khz Detecting Range: 0.6-183 Meter Sonar Coverage: FF1108-1CLA:90 Degrees & 45 Degrees, FF1108-1CWLA: 90 Degrees Power Input: DC 10-18V Display: 2.4 Inch TFT Color LCD ...Specification: Power Source: DC 10V-18V Language: English Sonar Frequency: Two Modes: Cable: 200Khz, Wireless: 125Khz Detecting Range: 0.6-183 Meter Sonar Coverage: FF1108-1CLA:90 Degrees & 45 Degrees, FF1108-1CWLA: 90 Degrees Power Input: DC 10-18V Display: 2.4 Inch TFT Color LCD Back Lighting: On/ Off White LED Language: English/German/Russian/French/Polish/Japanese/Korean/Italian/Spanish Depth Capability: 147feet( 45 M)(wireless Mode)/328feet(100m)(cable Mode) Wireless Operating Range: 60 M Power: 3.7 V Rechargeable Battery Wireless Sensor Power: 3.7 V Rechargeable Battery Waterproof Design: Level-4(spray-water-proof) Sonar Frequency: 125Khz(wireless Mode)/200Khz(cable Mode) Manual: English/Russian .