Airmar R109LHW 2kW 38-75kHz & 150-250kHz Thru-Hull TransducerThis plastic thru-hull mount transducer uses the low frequencies for deep water performance and high wide frequencies for shallow water performance.A 2 kW in a slightly smaller package, this bare wire transducer has a depth of 8,000 feet; an operating frequency of 38 to 75 kHz and 150 to 250 kHz; a beamwidth of 9x23 degrees or a constant 25 degrees; and a 0 to 25 degree deadrise.Transducer kit comes with installation instructions. Follow the instructions carefully to avoid damaging your boat.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.