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Garmin's best performing 1 kW in-hull model, this narrow-beam M265LH transducer provides crisp image detail. The 12-pin transducer has an operating frequency of 42 to 65 kHz and 130 to 210 kHz; a beamwidth of 16° to 25° or 6° to 10°; and a 0° to 30° deadrise. Strong plastic construction will resist corrosion in a marine environment. Transducer kit comes with installation instructions. Maximum depth of 3,000'. Note: Not recommended for cored-hull vessels.