Universal Glow Cup with 5.5x2.1MM DC Barrel plug and on/off switch
Must be powered by a 12v source only!
Hook proof design with water drain.
With Arm - Use the included screw to attach to any flat surface on a shuttle such as a blue Genz Box
Without arm - can also use a screw to mount to a flat surface or also use a 1/4-20 bolt to attach to to either side of a Lowrance shuttle base.