The cameras that are available in the market these days are very compact, highly reliable and capable of offering dependable service in a range of environmental conditions. The ever-decreasing sizes have led to innovations in their security applications, wherever undetected monitoring is desired.

The list of objects that may be used to hide a surveillance camera is limited only by imagination. For most security applications, the use of monochrome ( black-and-white ) cameras is acceptable. These give satisfactory picture resolution and are far less expensive than colour cameras. Please note that the resolution (picture quality) depends upon the camera as well as the monitor resolution.

Pin-hole cameras

These days pin-hole cameras are also available in the market. In such camera there is no lens and so the cost of such cameras goes low. These cameras have slightly inferior quality of picture and performance is poor in poor illumination.

Miniature/Concealed Cameras
Due to miniaturization of electronic cameras, it is feasible to conceal such small cameras in practically anything. There are video cameras that are just 1.0×0.5X0.5 inches in size (these are not expensive either). Such small cameras can be concealed in watches, pictures, show pieces, domes, etc.

These days there are cameras that can be connected to PC and the image can be viewed on normal telephone lines or Internet.