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. (see the self drilling screws in the pictures above). Installation positioning templates. Easy to follow instructions. Choose from 2 colors, Anodized Gold Aluminum or Anodized Silver Aluminum. One year manufacturers warranty on all parts that cease to function due to normal wear and tear. This exact same door chime is also available in Bronze, Mirror Silver and Mirror Gold. Please copy and paste, https://www.amazon.com/dp/B01GBZNRJ8

Product Features

• High quality, maintenance free, no wiring, no batteries, one way 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. (see the self drilling screws in the pictures above).