Electronic video images may show a varying degree of detail. That is evidenced by the contrast between standard television broadcasts and those called High Definition (HD). Television was originally displayed on a Cathode Ray Tube or CRT (also called the "picture tube"). The CRT reproduced the image on its screen by shooting an electron beam horizontally at the rate of about 60 times per second. To a large degree, the number of horizontal lines determined how detailed the video appeared. The more lines, the smaller the lines, the greater the detail of the picture.
A backup monitoring system with camera is perfect as a rear vision solution for large recreational vehicles, semi tractor trailers, school buses, giant construction equipment, boats, and any other moving vehicle that has blind spots or difficult to see areas. A backup monitoring system with camera provides a higher level of safety and peace of mind when putting vehicles in reverse.
A home camera system DVR or Digital Video Recorder is a standalone digital video security camera system suitable fur residential use. Recent advances in computer and electronic technology have provided the home camera system DVR user with an abundance of optional features, making the system versatile enough to be used just about anywhere.