This one-way viewing lens allows your residents to see out, while preventing unwanted visitors from seeing in while the chime provides a distinctive two-note musical tone that is pleasing to the ear. Because this door viewer with chime is not dependent upon electricity, you never have to worry about power failures, worn batteries, or frayed wires.
- Mechanical, non-electrical
- Comes with sleek plastic sliding cover
- Includes fastening hardware, positioning templates and easy to follow instructions