Talking about the wide dynamic range ?WDR), we have seen it everywhere in security camera's description, but what's wide dynamic range? Today we are going to explain three different wide dynamic range technologies.

Today, we are going to introduce the latest HD analog solution – HDTVI. The HDTVI solution can enable customer to setup a complete new 720P/1080P resolution analog surveillance system with advantages of long distance transmission (500 meters) through coaxial cable. This new technology enables user to upgrade their existing standard resolution analog system with HD-TVI compliant cameras and DVRs.

When we check the specifications of analog camera or IP camera, we will see BLC and HLC jargon. Herein we are going to explain these two common glossaries.

HLC stands for highlight compensation, camera can detect the strong spots (the over-exposure portion of image), then reduce the brightness of the strong spots to improve the overall images. This function is designed to allow camera capture vehicle plate license.