Ordered on Friday and as promised delivered on Saturday by DHL. Initially, there was a small problem: The only thing I noticed negative was the fact that you could not extend the 5V cable! We have a relatively large living room (about 75 sqm) where I wanted to mount the camera in the middle of the ceiling. The corresponding ceiling mount is actually included with the delivery. There, of course, the cable was not enough, and so I decided that to extend 5V feeder cable (if that were not the power supply with an extension plug in the middle of the ceiling hangs) after prolonged tasting I found that the cable can be extended by a maximum of 75 cm, without that the functionality of the camera is impaired. I am then then still fixed down to the hardware store and got myself another 5V power supply (should be at least. 2-3A have) bought, which I could easily expand to 6.5 meters. Thus, the camera now works absolutely perfect for my purpose. On a positive note also that the night vision feature works surprisingly well without any light sources.
External access works fine to Port-sharing / forwarding. I'm going to order 5 more cameras after I am completely satisfied with this first test specimen.
For all Android users: In Online Market there "IP Cam Viewer" for 3.49 EUR which the Instar 3010 directly supported. Even audio video conferencing can thus be prevented. The Lite version can be used for free before buying - the works.
Summary: For the offered price, I can highly recommend this camera fully.