How do I install the door sensor? Lauren Dickinson 20 June 2019 12:18 Updated Here's Louise demonstrating how to install the door sensor: Related articles Can I put my sensors anywhere ? How close does the magnet need to be to the door sensor? How do I install the motion sensor? Once the sensors have been installed, can they be moved again or are they fixed in place ? Comments 0 comments Please sign in to leave a comment.