Employing smart electric field sensing, K30/K50/K70 multicolor indicators and pick-to-light sensors provide immunity to false triggering caused by buildup of foreign materials or exposure to direct water spray. Featuring 70 mm touch dome with 30 mm base, K70 comes in 9 color options and 1-, 2-, and 3-color models. K30, available in 1- and 2-color models, and K50, in 1-, 2-, and 3-color models, offer flexible communication and simplified setup of single device or multi-point applications.