
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.
Guarding your windows for a very long time.
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!
Your advantages at a glance
Do you want to live more safely, save money and protect the environment, or simply increase your living comfort? There are many good reasons for a Smart Home. Find out more now!
Smart helpers for your home
With over 150 smart helpers, we have the right solution for every idea. Follow our recommendation or explore the entire Homematic IP product range.

05. July 2023
Travel with a safe feeling: How to protect your home with smart home technology
No one there to look after the house during the holidays? No problem, because your Smart Home protects itself: It keeps burglars away and lets you know immediately if something should happen.
Homematic IP: Smart living. Simply exciting.
Homematic IP means modern, flexible and secure technology from the European market leader*. Let the advantages of our system win you over, and start living smarter straight away.

The Homematic IP app
Innovations, ideas, impulses: your news
Get first-hand news about the latest innovative smart home solutions.