Real-Time LED Voltage Display: This marine switch panel features a bright LED voltmeter that accurately shows voltage status, enhancing safety by indicating normal voltage levels. Its illuminated display ensures visibility in low-light conditions. Built-In Safety Mechanisms: Equipped with overheat, overcurrent, and overcharge protection, this 12V USB outlet panel ensures safe and reliable operation. The aluminum panel is waterproof and dustproof, designed to withstand demanding environments. Space-Saving and Durable Design: The compact construction allows for efficient use of space. Made from high-quality materials, it delivers durability and functionality for marine or automotive applications. Versatile 4-in-1 Functionality: This multifunctional panel includes a USB outlet, LED voltage display, cigarette lighter socket, and a lighted toggle switch. It features dual USB ports (5V/2.4A each) and supports a voltage range of 9–24V. Color: Black Material: Plastic LED Color: Blue Package Contents: 1 x Switch Panel Note: Due to lighting conditions and screen settings, the actual product color may vary slightly from images. Measurements may vary by ±1–3 cm.