Good camera with errors

Had the camera end of November 2013 ordered and tested.
The camera makes a very professional impression and is well made at first sight
The installation of the camera was relatively easily. While it may be difficult under the sole help of the description, but on Youtube, there are detailed video tutorial (also in German) that explain it step by step.
The operation is quite simple and it works its way into it quickly.
The image quality of the camera is excellent, both in daylight in color and in the dark in s / w by illumination by means of IR diodes.
Although now should emit invisible infrared diodes actually, but these emit here in addition a faint light in the visible range, which is slightly negative for a "hidden observation" could prove to be in the dark.

-Soweit's Strengths ... and now to the Schwächen.-

1.) The motion detection of the camera is a little weak to be insufficient. If it is in well-lit rooms (daylight) even at 4 to 5 meters, so the range is reduced in dark rooms (with IR illumination) to about 1 (!) Meters. Here then would probably have a potential burglar almost knock down the camera to be captured on photo or video can.
2.) The built-in microphone, which should record ambient noise, only an extremely weak signal reproduces. A densely posed beside Camera Radio in room volume was at the receiving end barely perceptible. The cause is probably less but the built-in microphone as how the entire circuit, because the optional connection of an external microphone here brought no remedy.

The seller admitted on request, that these deficiencies are known and me a replacement of the device would not do. ("I feel quite sad, but at least be honest!")
All in all a good camera with errors. Should it ever get in China with the final time in the handle and the product can be shipped in a 100% working order so I'm going to certainly establish such a camera, but this went back and I got my money back.