A rugged 12 mm waterproof metal push button switch with an LED indicator. Designed for reliable power control in cars, engines, and PC projects, its black metal housing provides durable performance in challenging environments. The red LED lets you quickly confirm when the circuit is active, and the switch is available in multiple voltage configurations to suit different systems. It supports both momentary and latching operation variants, depending on the model. Key features Size and mounting: 12 mm diameter panelmount push button for easy integration into dashboards, control panels, and enclosures Material and finish: metal body with a black finish for a sturdy, professional look Waterproof construction: designed to withstand exposure to moisture and harsh operating conditions LED indication: red LED illuminates when the switch is engaged, enabling clear status visibility Operation options: available in momentary and latching configurations (model dependent) Voltage compatibility: supports 5V, 12V, 24V, 220V operation Applications: suitable for car engine power control, PC power switches, and general electronic or industrial panel applications Two to three example use cases Automotive or engine bay power switch: install in a vehicle to control ancillary systems (fans, pumps, or auxiliary accessories) with a clear red LED status indicator and reliable waterproof performance. PC or DIY electronics panel: use as a power switch for a custom computer project or enclosure, providing a robust 12 mm footprint and visible LED feedback. Harshenvironment control panel: deploy in outdoor or industrial panels where waterproof operation and metal construction are beneficial, such as control stations, waterresistant machines, or equipment enclosures. This switch delivers a combination of durable metal construction, waterproof reliability, and visible LED status, backed by multiple voltage options to fit a wide range of automotive, PC, and general control applications.