Fuhjythy 12V 240A Remote Battery Disconnect Switch Anti Marine RV ATV Boat Theft Automatic Cut Shut Off Switch for Auto Truck

[High Current Capacity]Rated for 240A with a 12V operating voltage, this battery disconnect switch supports an instantaneous current up to 500A. Ideal for preventing accidental power drains in vehicles, ensuring your battery remains and ready. [Advanced Magnetic Latching Technology]Utilizes innovative magnetic latching technology to efficiently manage and disconnections, ensuring minimal energy consumption with a standby current of just 3mA. [Comprehensive Battery Protection]Designed to safeguard against power drainage from parked vehicles or electrical faults, this kill switch extends battery life by preventing unnecessary power loss from lights left on or aging wiring. [Intelligent Automatic Shutdown]Equipped with a smart voltage monitoring system, the switch automatically cuts off power when voltage drops below 11.8V and disables remote control over 13.2V to prevent unwanted shutdowns during vehicle operation. [Universal Vehicle Compatibility]This versatile kill switch is compatible with most 12V vehicles under 4.0L engines, including cars, boats, RVs, and motorcycles. It easily fits negative poles between 9-13mm and 15-17mm, though not suitable for vehicles with small pile heads.