http://www.futureelectronics.com/en/manufacturers/cherry-electrical-products/Pages/index.aspx . The CHERRY brand manufactures custom and standard switch and sensor products, as well as keyboards and mice. In this video Thomas Boethe, Product Manager, illustrates the wide range of CHERRY Products: Energy Harvesting Wireless RF Momentary Switch Generator, Wireless Rocker Switches, Wireless Snap Switches, Receiver Modules and Wireless Switch Design Kits. https://youtu.be/xYRbGKCw4Ec