Danway Technologies Resources Limited has installed door entry systems, controlling access to over 150 flats, using porters switchboards, digital dial entrance panels, and multiple entrances. Systems can be audio-only or an audio/video mix, allowing sight of, and conversation with, a caller before allowing admittance. Monitors are available in monochrome and colour formats. Coded and proximity access control can be incorporated into panels to provide an integrated entrance panel Morning Light systems can also be combined with access control systems, traffic barriers and CCTV.