Product Name: Kill Switch Battery Cut Off Switch Knife Switch Car Boat Power Motorcycle Breaker Automobile This battery kill switch prevents battery drain by shutting down the electrical system, extending battery life, and avoiding the risk of electric shock and fire. It is useful for preventing shorts during car maintenance, preventing battery drain in vehicles not used for long periods, and cutting off the power supply in battery-equipped vehicles such as boats, automobiles, motorcycles, classic cars, and campers. By turning off the switch (cutting off the power), you can disconnect the battery, prevent discharge, and protect against electric shock. This is a versatile isolator with a simple design. It is a device (breaker) for instantly disconnecting the vehicle's battery and stopping the power supply, mainly used for theft prevention and power management. 【Risk Management】This kill switch (breaker) significantly reduces the risk of battery drain, extends battery life, and reduces the risk of fire and theft by quickly cutting off the power supply to vehicles and boats. It can be easily operated in an emergency, so you can use it without worry. 【Extended Battery Life】By preventing unnecessary battery consumption, it maintains the performance of your car battery for a long time. This reduces the frequency of battery replacement and saves costs. 【Multi-Purpose Compatibility】It is a highly versatile design that supports various battery-equipped vehicles such as automobiles, boats, motorcycles, and campers. The versatile design makes it easy to install on any vehicle. 【Easy Installation】This isolator can be easily installed by anyone without the need for special tools. It is designed to be handled without worry even by beginners, significantly reducing time and effort.