Carlon DH992 Non Electric Mechanical Door Chime with Viewer Instructions
Learn how to install the Carlon DH992 Non Electric Mechanical Door Chime with Viewer with this easy-to-follow instruction guide. Designed for doors or walls up to 4-3/4" thick, this chime is perfect for any home or office. With step-by-step instructions and diagrams, you'll have your new mechanical door chime installed in no time!