Features: 1. With super reset function 2. It has a strong metal texture and high-end appearance design and color matching 3. Waterproof and dustproof grade can reach IP67 4. Mechanical life: the self-repairing type can reach more than 500,000 times, and the self-locking type can reach more than 100,000 times 5. The LED has built-in step-down resistors to avoid welding, and the voltage can be selected at will, and it can be used for two-color light emission 6. Optional plug-in connector connection to ensure contact performance and reduce waste of labor 7. It has strong self-locking performance and comfortable operation feel 8. Bold pins, stronger reliability