Features: This heavy duty battery disconnect switches supports both 12V and 24V systems, providing circuit interruption to prevent battery drain during long term vehicle storage and power cutoff during electrical hazards. Featuring high conductivity brass contacts and insulated waterproof housing, it ensures durability and safe operate in extreme temperatures ( 22°F to 185°F) and harsh environments. Ideal for truck driver, owners, and agricultural equipment operators requiring dependable power management for vehicles with extended idle periods or complex electrical systems. Essential for safeguarding commercial trucks during floods, preventing parasitic battery drain in seasonal vehicles, and maintaining marine/construction equipment during storage. Its easy installation design with terminal compatibility (up to 1000A surges capacity) simplifies integration with existing battery setups. Specifications: Component: Copper Size: about. 7.7x6.5x5.2cm/3.03x2.6x2.04in Pattern: 3 pattern optional Package Includes: 1pc Battery Disconnect Switches note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.