The apparatus is essentially a four independent relays for controlling screens, projectors, lights, security gates etc. It can work as a free standing device or accessories for a selection of company's products. The relay control contact rating is 24 volt, 1 Ampere, physical size 2.5x6.1x 5.8cm. The unit is of plastic housing with input to front and output ports at rear.

CLASSIFICATION IS DETERMINED BY THE INTERPRETATION OF GENERAL RULES 1 AND 6 OF THE COMBINED NOMENCLATURE AND THE TERMS OF HEADING 8536 AND SUBHEADING 8536.41.