Menü
Window and door contact – optical, plus
Detect open windows instantly and make your heating or alarm function even smarter. And do it easily via the window and door contact with its very long battery life.
Your windows are a source of fresh air for many hours a day, especially during the summer months. However, frequent airing can be a challenge for smart window and door contacts: Permanently detected opening eats away at the battery charge. The solution: The Homematic IP window and door contact – optical, plus It has two batteries for extra long life and will not let you down prematurely!