Description: 【Protection】: This high current battery disconnect switch is designed to cut off power to electrical systems, effectively preventing the risk of electrical fires. And keep your devices safe when not in use. Safely and effectively prevent them from draining 【Universal Vehicle Compatibility】: Engineered to work with a wide range of 12V to 24V systems. It's an ideal upgrade for cars, RVs, boats, motorcycles, and trucks that use a standard 15-17mm tapered negative battery post, ensuring a secure and reliable fit 【Quality Materials】: Constructed from ABS and brass materials, this battery isolator switch offers great weather resistance and longevity. It is engineered to operate reliably in harsh environments, protecting the internal components of the switch effectively 【Simple Installation】: Mounts directly onto your battery's negative terminal for a quick and easy setup, The green rotary knob provides clear visual confirmation and allows for effortless, power disconnection and reconnection anytime you need it 【Versatile Use】: Ideal for a variety of applications including cars, trucks, RVs, boats, marine vessels, and more; this switch provides reliable power disconnection for enhanced security and peace of mind across different vehicle types and settings Specification: Material: ABS Plastic, Brass Maximum : 12-24V Size Chart: 9.75cmx5.4cm/3.84inchx2.13inch Package Includes:1 Disconnect Switch Note: Please allow slightly errors 1-2cm differences due to manual measurement.