Really the test winner ??? only half the story!
Fire Angel ST-620 DE Thermoptek smoke detector 'Stiftung Warentest 01/2013 performed best with a score of 1.9 Good' 10 years without battery replacement ready 5
Fire Angel ST-620 DE Thermoptek smoke detector 'Stiftung Warentest 01/2013 performed best with a score of 1.9 Good' 10 years without battery replacement ready
A note on promotional statement: test winner. Stiftung Warentest has tested 2013 eight smoke alarms with long-life lithium battery in Bulletin January. In first place are level on points with overall grade Good (1.9) of Ei Electronics E 650 and the Fire Angel ST-620-DET. The individual results for Egg / Fireangel loud. Reliability of the alarm 2.0 / 2.1. Volume 2.3 / 1.9. Handling 1.4 / 1.5. Robustness 2.0 / 2.0. Declaration 2.0 / 2.4. It pays to read the whole review !!! It can be found on the website of Stiftung Warentest.