Product Description: 5pcs 22mm Blue Self-Locking Push Button Switch - 37V-440V - Self-Locking Function for Enhanced Safety These switches feature a self-locking function and high protection grade, ensuring secure and reliable operation to keep you safe in various applications. - Durable Engineering Plastic Shell Constructed from high-quality engineering plastic, these switches are wear-resistant, sturdy, and built to last, providing durability even in demanding environments. - Multiple Color Options Choose from six different button colors to perfectly match your project’s aesthetic and functional requirements, offering flexibility and customization. - Wide Voltage Range Compatibility Designed to support a voltage range from 37V to 440V, these switches provide exceptional convenience and adaptability for a wide array of uses. - Compact and Lightweight Design With their small size and lightweight construction, these switches are easy to install and convenient to use, making them ideal for space-constrained setups. Upgrade your projects with these dependable and versatile self-locking push button switches, crafted for safety, durability, and ease of use.