Airmar B117 200/50kHz Bronze Thru-Hull Transducer - 6 Pin010-10182-01Connect our bronze, thru-hull mount transducer to your compatible device to receive depth and temperature data. This transducer has an operating frequency of 200 and 50 kHz; a beamwidth of 12 degrees at 200 kHz, 45 degrees at 50 kHz; and a 0 to 8 degree deadrise.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.