Humminbird XM 14 20 MSI T Mega SI/DI Transom Mount Transducer - 14 Pin [710265-1]XM 14 20 MSI T Mega SI DI Transom Mount Transducer 14 Pin MEGA SI, MEGA DI, DualBeam PLUS, 20 60 86 55 degrees, 200 83 455 800 kHz and 1. 2 MHz, temperature built in. For SOLIX MEGA Side Imaging units only. WARNING: 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. Specifications: Temperature: Yes