Today, there are varieties of surveillance solution available in the market. The goodness is not in who can give you that solution but who can give you the solution that matches your need accurately.
A CCTV Surveillance system today ranges from a compact or fixed camera to direction-controllable models to hi-end intelligent cameras. The features of each product are as per their range. For eg. A hi-end sophisticated camera captures the entire range of scene irrespective of the light conditions at places like railway stations and tracks.
There are many other dynamic features that are available like motion detection, day/night operation, backlight compensation, dynamic noise reduction, and remote and automatic lens control, further enhance the functionality of cameras.
Also come along are a host of accessories that give the option of mounting, weatherproofing, and resistance to tampering, impacts, and hazardous substances. These features can be used specifically at places where there is a lot of dust accumulating.