3 terminal switches for metal frame ground systems. Cadmium plated, non-breakable heavy duty housing. Includes terminal nuts and lock washers. Isolates starting battery. Full time charging of both batteries. 12V continuous duty.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov