angie.aprt1 year ago+110Can the lock still be opened with a key? If the battery is empty?Show in original language (German)dpremand1 year ago+110 Helpful answerYes, of course! The device is installed inside your home and the cylinder remains the same. So you can open the door with a key from the outside and manually from the inside.Show in original language (French)CommentKiener1 year ago000Yes from the outside with a key, inside you can turn the round knob Show in original language (German)Comment
