Granted, we do not have animals and I can not therefore assess all facets of the sensor, but the installation of the starter kit incl. This sensor was easy and the sensor worked properly during several test runs. He stood at about 90cm height on a dresser and oversaw an approximately 25m2 large rectangular room. Will grow me more, despite the knowledge that the system is still quite new (these things have indeed the reputation of the customer to mature today) and it may now and then lead to problems. So far, I see value unfortunately as unrivaled.