This 12mm waterproof oxidized black metal button switch with LED lamp is designed for reliable power control in demanding environments. It combines a durable metal housing with a clear LED indicator and a choice of momentary or latching operation, making it suitable as a Start Stop Button, PC power switch, or automotive accessory switch. Key benefits Durable metal construction with an oxidized black finish for corrosion resistance and long life. Waterproof design to maintain performance in moistureprone settings. Builtin LED lamp provides visible on/off status for quick confirmation. Compact 12mm size fits standard panel cutouts with easy installation. Flexible operation modes (momentary or latching) to match start/stop or on/off needs. Wide voltage compatibility (3V, 5V, 6V, 12V, 24V, 220V) for use across electronics, PC projects, and cars. Versatile applications as a Start Stop Button, PC power switch, or car/vehicle switch. Key attributes Functionality: button switch with LED illumination; available in momentary and latching operation. Compatibility: suitable for PC power control and automotive use; supports 3V, 5V, 6V, 12V, 24V, and 220V systems. Size: 12mm panel diameter for standard panel cutouts. Material: oxidized black metal housing; waterproof construction. Performance: LED lamp present to indicate status; designed for reliable operation in harsh environments. Specifications at a glance Diameter: 12mm (panel cutout) Material/Finish: metal, oxidized black Waterproof design LED lamp included Operation: momentary or latching (as applicable to model) Voltage compatibility: 3V, 5V, 6V, 12V, 24V, 220V Applications: PC power switch, Start Stop Button, automotive/car use Two to three use cases DIY PC or electronics project: use as a power switch with LED status indicator for a clean, professional panel layout and clear on/off feedback. Start/stop control for a small DC device: control a motor or DIY machine with a defined start and stop behavior, using the appropriate voltage of the system and leveraging the LED to show active state. Automotive or outdoor equipment panel: serve as a waterproof switch for car accessories or other 12V/24V systems, providing durable operation and visible LED status in challenging conditions. Notes The product supports a range of voltages suitable for different applications, including car systems. Choose the appropriate operation mode (momentary or latching) to match the intended control behavior.