Analogue is ideal for small, single site, cost conscious installations where deterrence is the primary requirement and where staff can be relied upon to practice good tape management. Digital meanwhile is the preferred solution wherever the recording of high quality images is essential, where network communications are involved, where CCTV is integrated with other systems such as access control or ATMs, or where the size and complexity of the installation (number of cameras and sites for instance) calls for a high volume recording capacity.