Most cheap home security system monitor and record video from areas under surveillance 24 hours a day, 7 days a week. This seems great but this quantity of video recording needs massive storage on your security recording system. Moreover, residential security cameras get their power from batteries. You can imagine that full time recording makes use of an awful lot of battery power, and requires regular battery replacement.
Wouldn't or not it's nice to only record video data and use camera battery power when it was needed, particularly when unauthorized activity was occurring within the areas under surveillance. Well you may with a movement activated camera. These cameras have a built-in sensor which permits them to document only when movement is detected. This security camera system means that you simply can decrease the amount of video storage required. One other nice benefit is that if an unauthorized intrusion does happen, you don't want to trawl through of hours and hours of video recording to find the incident.
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