The Soteria Dimension Mounting Box is moulded from white flame-retardant polycarbonate. Positions for either side or top cable entry are marked on the outside of the mounting box to ensure correct cable positioning. An arrow has been placed on the rim to assist in correct orientation of the detector. Placing the mounting box in the correct orientation in the installation aperture, it is secured into position by screwing down the self-aligning fixing tabs.The Soteria Dimension Mounting Box is designed to be used with Soteria Dimension Optical Detectors.