Humminbird XPTH-9-20-MSI-T Mega SI Plastic Thru Hull
Model: 710264-1?MEGA 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' cable. Transducer dimensions: 7.34""L x 3""W. Shaft diameter: 1.0""