Mentor’s signal indicators are used as signal or warning light in key pads to indicate visually switch status. The result is always a control panel that is perfectly illuminated. Even illumination of the signal indicator is guaranteed by the type 2-component design with nontransparent housing and diffuser disc. These signal indicators are suitable for the design of input systems below control foils. The signal indicators can be equipped with various LED construction design and different colors. They are available in two sizes: 19 x 19 mm and 15 x 15 mm and heights 9.7 mm and 12.5 mm.