Features: Smart 12V Battery Disconnect switches with Digital Display & Remote Control prevents battery drain and extends lifespans through intelligent power cutoff technology, ideal for vehicle storage periods. Features premium copper construction for superior conductivity and corrosions resistance, paired with a real time voltages monitor to track battery condition via clear digital readout. Designed for frequent travelers, seasonal vehicle owners, and maintenance conscious driver seeking effortless battery management solution. Optimizes power control during extended parking, winter months, or emergencies while enabling instantly remote activated engine starts without physical contact. This universally automotive upgrade combines wireless convenience with wear resistant materials, ensuring performances across car, campers, and marine applications with 12V systems. Specifications: Component: Copper Suitable for 12V battery systems Package Includes: 1Set Remote Battery Disconnect Switches note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.