Some type of Security Camera

Office of the camera can record every movement made by employees, visitors There is constant monitoring of all types of suspicious or questionable actions. Placement at a particular point can indeed help in preventing dangerous incidents. Some offices use security cameras as a spy camera to monitor employees.

Home security camera - House has been targeted several dangerous activity in the home use of cameras has now become a necessity and not just a choice. Home cameras not only help in detecting crime, but also help in preventing them. Surveillance cameras have become a weapon against the increasing number of crimes

With advances in technology,. Some parents prefer to use the house for surveillance cameras in the room. This helps them supervise their children 24x7. Home cameras have helped parents to be aware of incidents of child abuse or domestic violence by helping children and baby sitter. the camera should be positioned in the right place. .

School Security Cameras - Camera now smoothly replace school security officers. In recent times has been noted that many schools are choosing to security cameras to ensure that children are safe. School security cameras placed in strategic positions. School security cameras have been proven to reduce crimes committed in school because they felt being watched to prevent students terlibatkan in acts of violence and dangerous.

How to buy Security Cameras

As you know, at this time so many companies selling various types of cameras on the market. There are several things you should consider before buying a Security Camera as follows:

1. Consider your needs, duration and area surveillance to be monitored will help you know what type of camera you need. There are different types of cameras for commercial and domestic use. You have to remember whether the camera will be used for indoor or outdoor surveillance.
2. Note the resolution of the camera before you buy it. It is possible to determine the resolution of images produced by the camera by checking the number of TV lines in the picture. The greater the number of TV lines, the better the resolution security camera. The number of TV lines helps in improving image quality. Usually there is 350-38 - TV line in the regular security camera. If you want a camera with good resolution, you should go to about 400 TV lines. 500 TV lines means that the camera has the best resolution.
3. Technology Surveillance camera uses two types of technology to produce images, ie. Charge Couple Device (CCD) and CMOS. The image quality is affected by the technology used. CMOS produce low-quality images and is used in small cameras and cheap. A good camera always use a CCD chip. CCD chip can be disbursed in three sizes - ½ inch, 1 / 3 inch, and ¼ inches. The larger the chip, the better the image quality. However, cameras with CCD chips are relatively expensive.
4. Lenses used in cameras play an important role in determining the quality of the image and the angle at which the image is viewed. There are two types of varifocal and monofocal lens. Monofocal lens has a fixed focal length. But the varifocal lens can change the focal length as and when required. Auto iris and manual iris lenses are used for fitting. Use of automated iris will enable automatic adjustment in various light conditions. Lenses should be chosen based on the use