1、Enclosed Shut Off Switch: This battery disconnect switch eliminates any power draw from the battery when the vehicle or boat is not in use, safely disconnecting the battery. 2、Waterproof Cover: This waterproof power disconnect cut off switch is designed with a waterproof cover on top to better protect the key hole. 3、Premium Material: The housing is made of flame retardant ABS material, which is sturdy, not easy to age and wear, ensuring maximum strength and durability. Wiring post is made of nickel plated purple copper for maximum electrical conductivity. 4、Advantages: Stylish and modern appearance, easy installation and cable connection. Professional manufacturing, high reliability, compact size. 5、Wide Application: Widely used in RV, boat, car, off road vehicle, motorcycle, small boat, camper, travel trailer, truck and other engine applications.