Best Door Peephole Installation

TOGU 220-degree Solid Brass Peep Holes for Door with 16mm Drill Bit, 0.63 inch Door Peephole with Privacy, Compatible with Door Thick from 1-3/8" to 2-1/6", Matte Black Finish

HOJLKLD Door Viewer Peephole 200 Degree Zinc Alloy with 16 mm/0.63 inch Drill Bit for 1-1/2" to 2-3/8" Doors (Black)

HOJLKLD Door Viewer Peephole, 220-degree Peephole for Front Door with 16 mm/0.63 inch Drill Bit for 1-1/2" to 2-3/8" Doors (Black)

TOGU TG2814YG-BC Brass UL Listed 220-degree Door Viewer with Heavy Duty Privacy Cover for 1-3/8" to 2-1/6" Doors, Classicism Black Finish

TOGU TG2814YG-SN Brass UL Listed 220-degree Door Viewer with Heavy Duty Privacy Cover for 1-3/8" to 2-1/6" Doors, Satin Nickel Finish

HOJLKLD Door Viewer Peephole 200 Degree Zinc Alloy with 16 mm/0.63 inch Drill Bit for 1-1/2" to 2-3/8" Doors (Antique Bronze)

Sumnacon Safety Door Viewer,Solid Brass 220-degree Door Viewer/Peephole with Heavy Duty Rotating Privacy Cover for 1.37" to 2.16" Doors, Sturdy Door Viewer for Home Office Hotel, Silver

KS Hardware Door Viewer | Security Peep Hole Provides an Ultra Wide View | Peepholes for Doors 2 inches Thick | 180 Degree View (Satin Nickel)

4.3 Inch Digital Doorbell, 1080P HD Noise Reduction Video Door Viewer, 5000mAh Night Vision Front Door Peephole Camera with Two Way Intercom, Motion Detection

Earl Diamond - Peep Holes for Door, Solid Brass 220-Degree Door Viewer Peephole with Heavy Duty Rotating Privacy Cover for 1-3/8" to 2-1/6" Doors for Home Office Hotel, Satin Gold