Investor132 Friday, 05/10/13 12:03:27 PM Re: None Post # of 68248 check this out: http://www.youtube.com/watch?v=ImC1IFElKCk Watch the video above. Their surveillance camera can't perform 2-way communication via mobile device. You know why? Because REVO holds these NEEDED patents! The world is getting more and more dangerous. also if the older generation uses this type of technology, more so with the younger generation...think about it. The woman installed it for her mother who has Alzheimer's. It would have been a lot better if the camera's had REVO's A-MUST patents!