The light reflecting sensor button is specially designed for non-contact activation of toilet flushes and sink taps. It is sabotage proof, daylight and glare-resistant. An integrated IR interface of the light reflecting button LBHP can be programmed and checked wirelessly when installed. The integrated switching transistor enables the direct connection of a magnetic valve for the tap. The light reflecting sensor button LBHP fulfils the requirements of EN 50155 for electronic equipment used on rail vehicles, as well as numerous other standards.