Experience a new convenience and security with ALL-IN-1-CARD -compatible electronic locking systems in your home. You are standing in front of your door. Forget about your old, troublesome key ring. In future just open the door with your watch, mobile phone or key ring or, if you like, with a chip card. Simply hold it in front of the door and it will open. Lost a key? No problem! Just reprogram the locking system and you are secure again — immediately and without additional costs.