Humminbird
Humminbird XTM-9-20-MSI-T Mega SI Trolling Motor TransducerModel: 710263-1MEGA SI, MEGA DI, DualBeam PLUS, 20/60/86/55 degrees, 200/83/455/800 kHz and 1.2 MHz, temperature built-in trolling motor transducer. For HELIX MEGA Side Imaging units only...