?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",MEGA 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.,?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.
