XM 9 20 MSI T MEGA Transom Mount Transducer
MEGA SI, MEGA DI, DualBeam PLUS, 20/60/86/55 degrees, 200/83/455/800 kHz and 1.2 MHz, temperature built-in.
For HELIX 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