Auth Florence, Non Electric, Mechanical Door Chime, Doorbell and Viewer #686. High Quality, Maintenance Free, No Wiring, No Batteries. Requires to drill 2 holes through the door. (see the template in the pictures above). Designed to Fit Wood and Steel Doors up to 4-3/4″ Thick. One Way Wide Angle Viewing Lens. Outside Metal Faceplate, Measures 5″H X 2″W. Inside Plastic Cover with Spring Activated Sliding Viewer. Paper Tags for Labeling Apartment Identification Plate and Name Plate. Mounting and Fastening Hardware Includes Only Screws for Wood Doors. We Manufacture and Include Self Drilling Screws for Steel Doors. Installation Positioning Templates. Easy to Follow Instructions. Choose From 2 Colors, Anodized Gold Aluminum or Anodized Silver Aluminum. (this door chime is also available in Bronze, Mirror Silver and Mirror Gold). One year manufacturers warranty on all parts that cease to function due to normal wear and tear

Product Features

• High Quality, Maintenance Free, No Wiring, No Batteries, One Way Wide Angle Viewing Lens.
• Designed to Fit Wood and Steel Doors up to 4-3/4″ Thick.
• Requires to drill 2 holes through the door. (see the template in the pictures above).
• Mounting and Fastening Hardware Includes Only Screws for Wood Doors.
• We Manufacture and Include Self Drilling Screws for Steel Doors.