Feature Highlights: 1. Premium Build & Waterproof Design – Made from high-quality PVC and brass, this car power disconnect switch is built to last. It features excellent waterproof resistance and a protective top cover to prevent leaks. 2. Easy Knob Control – Simply turn the knob to switch the power on or off. It’s straightforward and convenient, with a thumb-friendly hex nut for easy operation. 3. Wide Temperature Tolerance – Works reliably in extreme conditions, from -40°C to 80°C, so you can count on it year-round. 4. Anti-Theft & Secure Installation – Includes 2 keys for added security and a metal fixing post at the bottom for quick, stable mounting. 5. Universal Fit – Compatible with most cars, SUVs, trucks, and more. It gives you direct control over your vehicle’s electrical system. Product Details: This knob-type battery isolator is designed for durability and ease of use. The waterproof cover helps keep moisture out, while the included copper ring terminals and heat shrink tubes ensure a secure connection. Installation is tool-free and straightforward—though if you’re unsure, we recommend having it installed by a professional. Specifications: - Material: PVC + Brass - Dimensions: 2.20" x 4.25" - Temperature Range: -40°C to 80°C - Package Includes: 1 x Car Power Disconnect Switch, 2 x Keys, 1 x Waterproof Cover, 4 x Copper Ring Terminals, 4 x Heat Shrink Tubes Note: Product color may vary slightly due to lighting and screen differences. Slight size variations (within 1-3 cm) are possible and do not affect performance.