Yale Real Living® Digital Door Viewer | Premium See who is at the door.An innovation in door viewer security Premium Digital Door viewers replace traditional mechanical viewers with a 3.5” LCD screen. With the touch of a button, easily view who is at the door. The 105 degree viewing angle helps ensure a clear picture. Yale Real Living digital door viewers are simple to install on standard doors and easily powered with the included batteries. Premium model stores images for a record of who visited the door. Easily identify who is at the door before you open it Images are 10x larger – perfect for all ages in your family to monitor The bright 3.5" LCD viewing screen provides large clear images of any visitor – turns a peephole image into a clear bright image Images stored in internal memory so you can see who called, even when you were out Save video or still images to the internal SD memory card. Remove the card and access data via a hot-pluggable SD micro-card reader. A great addition for homes, apartment, dormitories, businesses Design Features View live video or still images of who is at the door Built in LED for assisted night viewing Images stored in internal memory so you can see who called, even when you were out Save video or still images to the internal SD memory card. Remove the card and access data via a hot-pluggable SD micro-card reader. Viewer screen can be seen from distances of several feet away Includes 4 x AA batteries 105o viewing angle while not suffering from image distortion found in traditional door viewers 3.5" viewing screen provides large clear images of any visitor (up to 10 times bigger than traditional spy holes) Simple installation, fits doors 1.75-4.00 in (thick) One Year Warranty for original owner Functions or Features Specifications Lens 105o angle LED Infrared LEDs for night mode Door Chime 80dB LCD 3.5" Battery 4 x AA batteries (supplied) Support Door Thickness 1.75 in – 4.00 in (thick) Cylinder Drill Diameter 9/16” Dimension, Viewer 3.54 in (H) 5.39 in (W) 1.02 in (D) Finishes Black, Silver Close Product Library Door Viewer Installation Sheet (.pdf, 111 kB) Yale Real Living Digital Door Viewer Brochure (.pdf, 1.5 MB) Yale Real Living Digital Door Viewer Premium Info Sheet (.pdf, 936 kB) Close Look Door Viewer™ with WiFiAnswer Your Door. Anywhere. Anytime. Standard Digital Door Viewer - Non ConnectedDigital Door Viewer.