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 effect 2.Please allow 1-3cm deviation due to manual measurement Description: Connection material: copper cores Shell material: plastic Working voltage: 12V/24V Instantaneous current: 750A Rated current: 250A Installation method: Install on the negative pole of the battery (10-20mm