Abstract: A keypad controller includes a housing portion, which houses therein: a printed circuit board assembly (PCBA) including a plurality of light sources arranged in a single line thereon; a carrier plate arranged adjacent the PCBA, the carrier plate comprising a through opening, aligned with the light sources; a light pipe arranged adjacent the through opening; a plurality of control buttons arranged on the carrier plate on either side of the light pipe. The keypad controller also includes a faceplate having an opening corresponding to the arrangement of the control buttons and light pipe on the carrier plate, permitting access thereto, the faceplate securable to the housing portion. A light pipe, for use in an electronic control device, includes a longitudinal extension and includes a rear face and a front face opposite thereto.