Safety
The battery cut off can disconnect the battery easily and safely. It will reduce, even eliminate the power draining from the battery so that improving the lifespan of your battery.
Application
The switch can be applied to many marine boats RV ATV vehicles and other 12V-60V battery devices.
Four buttons
And the switch have four buttons in total, 1-2-both-off. It will separate the battery easily and will let you control the power more convenient.