Features: Anti-Theft Battery Protection: The removable key feature provides a secure way to disconnect the power supply when the vehicle is not in use, preventing theft or accidental power activations. Material: Rust and corrosion resistant with solid-copper terminals for optimal performance and extended lifespan. Functionality: Suitable for professional racing and vehicle modification; installation is simple, safe, and convenient. Application: Designed for use in cars, vehicles, RVs, boats, and as a switch for electrical equipment. The battery cut-off switch can be easily installed in various locations, including dashboards or near the battery. Notice: 1. Actual color may vary slightly from the image due to different screen settings and lighting conditions. 2. Please allow 1–3 cm deviation due to manual measurement. Product Specifications: Mounting Type: Four-hole Diameter: 57 mm Connection: M10 copper bolt Package List: 1 or 2 pcs Battery Isolator Kill Switch