This compact dual/side imaging. 20/60/86 (2) degree, 200/83/455 kHz with built-in temperature has a 20' cable. More secure, especially at high force of waves, with an improved running angle, and an optional lock down screw to override the kick up. Compatible with 797C2 SI Combo, 798C SI Combo, 798CI SI Combo, and 798CI HD SI Combo.