Access and control DVR/Security cameras/IP Cameras. Watch live surveillance video streams - fast and simple. it can support most of the DVR made in china. it also support adnroid pda. - Compatible with all Android smartphones - Stream live video directly from your security devices - Support multiple DVRs - Supports control over PTZ cameras - Take snapshots of live streaming video We have a pro version support 4 view and have no ad. The URL ishttp://amzn.com/B00578189W