**Product Description: Optimize Your Projects with Our 19mm Green LED Self-Locking Metal Push Button Switch** - **Reliable IP65 Protection** Engineered with an IP65 protection grade, this switch offers excellent waterproof and dustproof performance, ensuring reliable use in various environments. - **User-Friendly 4-Pin Configuration** The switch features a practical 4-pin setup: 1 power positive, 1 power negative, 1 normally open (1NO), and 1 common, allowing for easy integration into a range of electrical systems. - **Integrated LED Illumination** Designed with an integrated LED light, this push button switch is easy to operate in dark or low-light settings, providing enhanced visibility and convenience. - **High-Quality Silver Contacts** Equipped with silver contacts, the switch ensures high conductivity and low resistance, delivering efficient and reliable electrical performance. - **Durable Stainless Steel Housing** The switch is encased in a rust-proof and corrosion-resistant stainless steel housing, offering a comfortable touch and long-lasting durability. Perfect for both professionals and DIY enthusiasts, our 19mm Green LED Self-Locking Metal Push Button Switch combines robust functionality with sleek design, making it an essential component for any electrical project.