Description: Fast battery disconnector. Suit for maintaining battery charging over time. Made from a high-conductivity zinc alloy and brass plated to prevent corrosion. The green knob can also be completely removed. Prevent unwanted battery drainage during storage. Specification: Material: plastic + electronic components Size: Approx. 8.5x3.5x3.5cm / 3.35x1.38x1.38inch Package Includes: 1 Piece Terminal Disconnect Lsolator Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement