Features:ENHANCED SAFETY: Effectively disconnects your battery to prevent unwanted power drain, ensuring your vehicles electrical system remains protected when not in use.DUAL VOLTAGE COMPATIBILITY: Designed to work seamlessly with both 12V and 24V systems, making it ideal for a variety of vehicles including cars, trucks.HEAVY-DUTY CONSTRUCTION: Built with sturdy materials to withstand harsh-conditions, ensuring long-lasting performance and reliability in automotive and marine environments.EASY INSTALLATION: The straightforward design allows for quick and easy installation, with clear instructions included for both DIY enthusiasts and professionals.USER-FRIENDLY DESIGN: Features clear ON/OFF indicators and a sturdy knob for easy operation, allowing for quick access to disconnect the battery as needed.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurement Description:Connection material: copper coresShell material: plasticWorking voltage: 12V/24VInstantaneous current: 750ARated current: 250AInstallation method: Install on the negative pole of the battery (10-20mm