This listing is for a new Humminbird XTM 9 HW T transducer. Part number 710277-1.  This is the transducer that mounts on the trolling motor.  This is the dual spectrum 2D transducer.  It also includes temp.  Works with Helix gen2 and newer.  List price is $109.99.  I will ship to the lower 48 via UPS ground for FREE.