Can easily retrofit to most existing dock light arms. Safety yellow powder coat finish. 18 in cord with a recessed 3 prong IEC type plug (120 v, 60 Hz). Combine with the DL-LED24-LH docklight. Extendable arms are made of 1-1/2 in square steel tubes and have 3-conductor AC 5 ft cord with a 125 V, 3-prong plug An On/Off rocker switch and receptacle