ITS Series Illuminated Tactile Switches C&K Switches ITS Series Illuminated Tactile Switches is available in a range of LED colors and bi-color options, vertical or right angle, and through-hole or SMT versions. These switches utilize a dome contact that provides crisp tactile feedback. This positive response indicates a circuit transfer to the user and offers a long mechanical life cycle of up to 50,000 operations. Contamination from flux, solvents, and other substances are prevented with insert-molded terminals. C&K Switches ITS Series Illuminated Tactile Switches are suitable for applications such as consumer electronics, medical devices, audio/video, security, and much more.