- This set includes 50 pieces of 4x4mm push button switches, perfect for your electronic projects. - Each switch features a durable copper head, available in multiple heights: 1.5, 1.6, 1.7, 2, 2.3, 2.5, 3, 3.5, and 4.3mm, tailored for SMD PCB tactile applications. - The overall dimensions of each switch are 4x4x4.3mm, with an option for a more compact 4x4x1.6mm version, ensuring compatibility with various PCB layouts. - Designed specifically for PCB applications, these push button switches deliver reliable performance, making them ideal for a range of electronic devices. - The 4x4mm size denotes the outer dimensions of the switch, ensuring a perfect fit for your projects. Use scenarios: 1. Ideal for consumer electronics like remote controls, where tactile feedback is essential for user interaction. 2. Suitable for DIY projects and prototypes in robotics, providing precise control for various functions. 3. Great for automotive applications, allowing for easy integration into dashboards or control panels. These push button switches combine quality materials and precise engineering to meet your project needs with ease and reliability.