Frequently Asked Question
Digital system typically comprises of IP (or network cameras connected to a Network Video Recorder (NVR). As digital system provides complete flexibility and extremely detailed footage (HD Quality, they are more expensive than an analogue system.
There is hybrid system (HD-SDI, HDCVI) which delivers HD video per coaxial cables which means it could work over existing camera cabling.
You can choose to have back to base monitoring, then an alarm monitoring company will call your mobiles to let you know. They may then send a security car to check up on your property.