FYSETC, the abbreviation of FuYuanSheng Electronics, an electronic technology company provide 3D printers solutions, open source hardware solutions and OEM service for Makers and engineers. Our products include most popular 3D printers parts. There are many experienced electronic engineers, software engineers and mechanical engineers in our team to provide Affordable and reliable products and services. Specification: 1. Max Voltage: 125V 2. Max Current: 1A 3. Board size: 20 x 20 x 7 mm/ 0.8 x 0.8 x 0.3 inch Package includes: 3 x 3D Printer limit switch only