Customer Reviews for Carlon Non-Electrical Mechanical Door Chime With Viewer and Name Plate

See your guests before opening the door for added security and peace of mind. Carlon's Non-Electric Mechanical Door chime with a viewer is designed for mounting on doors or walls from 1-1/4 inch To 2 inch Thick. When assembled the pushbutton with nameplate and viewer are outside and the chime base and cover are on the inside.