After researching on the internet I came across by the many positive reviews and tests on this device. Priced the Fire Angel ST-630 is a bit higher, but is frequently reported in the low smoke detectors in reviews about false alarms. Not to be torn by 4 clock at night from several networked smoke detectors from sleep, a few euros more to me is quite worth. I welcome also that with this device in the event of a false alarm all smoke detectors, up to the smoke detected, can be switched off at once, ie you do not have to run through the house and looking for the culprit by hand. The smoke detector in addition have a function to temporarily reduce the sensitivity, which is eg in false alarms triggered by cooking fumes helpful.
The unit has a red LED which during operation about every 45 seconds will flash to indicate readiness for operation. That bothers me personally not, but should by people who are very sensitive to light to be considered during installation in the bedroom.
What I personally think is not so good that the batteries are permanently installed in smoke detectors and wireless module, ie a new acquisition is after 10 years due, even if the manufacturer says that a smoke detector should always be replaced after this time.
We have the Fire Angel ST 630 now since about 8 weeks in operation, at the moment I forgive because of the quality and functionality offered 5 star. In this review, I assume that I be spared of false alarms and the battery lasts the full promised by the manufacturers 10 years. Otherwise, followed by an update at that point.
