By flashing LED the deterrent effect is additionally supported as the camera in the dark so much more noticeable and is seen. There are, incidentally, 2 (not 3) AA batteries for the big red LED used, the 2 seconds lights to the rhythm, 2 s not illuminated. The battery compartment is located under the weather cap.
If the dummy mounted the sometime overdue battery change, in particular the attachment of the cap could be the end for "fiddly job", since the foot is also made of plastic and therefore one must proceed quite carefully to cancel anything. Also, one should avoid for this reason to screw the wall bracket to firmly .... to firmly come broken !. The ball joint in the foot is to rotate the camera in any direction.
Due to the low price is the shortcoming "full plastic" not worth a star trigger and the camera is thus an excellent 5 star extension to existing, real alarm.