I bought a refurnished 6 camera security system with software to monitor the cameras via the web. There was no installation instructions with the system. Found instructions online; attempted to make everything work. Supposedf tobe plug-n-play bascially. Um no. Called technical support and was advised was probable a bad audio/video receiver. Returned the originalone and received a new one today. System still does not work. Waited 30 minutes on hold listening to crappy Christmas music and nobody picked up. Called sales and waited 15 minute... read full review »