One embodiment provides a system, including: an image display device with a recessed display connector; and an apparatus, the apparatus comprising: a housing, comprising: a base and an upper element; the upper element comprising a groove running lengthwise and open at both ends; a protruding display connector disposed substantially centrally within the groove; and an interface board, within the housing and operatively coupled to the display connector; wherein the image display device is attached to the groove of the apparatus via the recessed and protruding display connector. Other aspects are described and claimed.