Speyeguard Stationary Cover is an innovative peephole security solution to safeguard against external tampering and blocks the view of anyone spying with a reverse peephole viewer. The patented design features an exclusive slide mechanism that automatically self-closes after viewing and always remains in the closed position to ensure your privacy. Speyeguard stationary covers install over existing door viewers without the need to remove and re-install the viewer. Made with plating grade ABS and available in decorative plated metal finishes to complement existing hardware and decor. Also available in molded-in color finishes.