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What is a PTZ Camera---PTZ Cameras for Surveillance
Pan, tilt and zoom (PTZ) cameras are cameras that move left to right, up and down, and zoom in and out via a computer, DVR, or PTZ controller. This type of PTZ surveillance cameras is considered "top of the line" in security cameras. They can pan 360 degrees, tilt 90 degrees sweep of the environment, change the angles to look at objects both above or below the camera, and zoom in in order to give the objects greater details.
A PTZ camera can vary among extra features and recording capabilities. Some PTZ cameras have high-definition capabilities, allowing them to record very detailed images. Others may have only standard definition. It also vary among color and grayscale options. The camera may as well have tinted shielding so people can't see it an internal heating or maintenance mechanisms to keep it running smoothly.
PTZ cameras are used primarily in surveillance. They can be bought by private parties for home surveillance. They are more common for businesses, military and law enforcement agencies for surveying products or public areas. Most security applications that call for the kind of long distance, flexible coverage provided by PTZ cameras are in commercial and government organizations or large discount and department stores.
PTZ security cameras are also can be used indoor/outdoor video surveillance connecting to digital video recorders, which is the best choice for home security in all around.
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