Newhouse Hardware 2-Note Mechanical Door Bell Chime and Door Button with Viewer

Newhouse Hardware, Non Electric, Mechanical Door Chime, Doorbell and 180 Degree Wide Angle Viewer (Model Number MC145S). High quality, no maintenance, no wiring, no batteries. Outside metal faceplate measures 5 H X 2 W inches and the chime measures 3. 5 L x 1 5/8 W x 7 H inches. The doorbell chime has a spring activated slider to see through the viewer. Included are paper tags to write apartment identification number and name. Mounting and fastening hardware includes only screws for wood doors. Easy to follow instructions. Choose From 2 Colors, Silver or Bronze. WARNING: This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm