XPTH 9 20 MSI T MEGA Plastic Thru-Hull TransducerMEGA SI, MEGA DI, DualBeam PLUS, 20/60/86/55 degrees, 200/83/455/800 kHz and 1.2 MHz.Temperature built-in, plastic through the hull transducer.30' cableTransducer dimensions: 7.34L x 3WShaft diameter: 1.0WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.