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 videoWe have a pro version support 4 view and have no ad.The URL ishttp://amzn.com/B00578189WSupport URLwww.meyetech.com