A dome, in short, is a camera that is housed in a circular enclosure and is often used as a safety control in department stores or outside the house. These are the security cameras of the most common and are generally dark like black or gray, it is difficult to say which direction the camera. Buy in and out and some in the dark or low light equipped understanding allows total darkness.
Dome cameras can be installed in two ways. They can be mounted on the ceiling or suspended from the ceiling. The suspension provides a better face recognition. Some holders allow movement, such as tilt, pan, and zoom in and out, while others are limited to one place. This product is also available in color or black and white. Inclusion in color, it is sometimes useful to include in the case of a crime for more details. Some anti-vandal domes are available and useful in cases of crime is coming and you try to disable the device.
These can be found on sale in several places. Some with a complete system that includes a visual display, while others only by the camera. Often, the buyer can have a professional come and install the system for the customer, but if a single camera is often purchased more convenient for the opportunity to become a DIY project