About installation monitoring, how to monitor the number of meters according to the range and distance?
Surveillance camera has a network camera gun and analog camera gun. Network camera gun than the analog camera to a little clear, according to the following recommendations to choose the lens can be. Simulated camera gun can be slightly larger distance, about 2%.
Third, single-lens monitoring is simple, and more get a lens can be improved, and now 2IT's hard drive also has a large capacity of the hard disk for large-capacity information to create the conditions.
It's easy to get rid of the corner. Opposite to install a probe basically no dead ends. Followed by monitoring the lens depends on the site light is better, otherwise the image is not clear nor useful.
