Yale 3" Inch LCD Digital Door Peephole Viewer 105 Degrees View, With 2X LED Doorbell - Yale EIS1100 (FINAL SALES. NO RETURN) BRAND NEW. If you"TMre concerned about safety and security, you probably already have a small, mechanical door viewer. But it often takes a lot of squinting to see exactly who it is standing outside. The Yale EIS 1100 is a Standard door viewer, however, provides a clear 3" screen to view callers just by pushing a button. Best of all, it can replace your existing door viewer neatly and without needing tools. Powered by top quality long-life, rechargeable battery (2X mobile style battery charger included) you, your family and your kids will always feel safer and more confident when it comes to answering the door.• Built in LED. (High power blue) for assisted night viewing• Images stored (on optional SD memory card) so you can see who called even when you were out• Date/time stamp allows you to see when visitors called• Digital images can be easily manipulated via the main unit, allowing to zoom in and out to see clearer and more details• Includes long-life, rechargeable battery (2X battery charger included)• Wide 90°+ viewing angle while not suffering from image distortion found in traditional door viewers• 3.0" viewing screen provides large clear images of any visitor (up to 10 times bigger than traditional spy holes)• Viewer screen can be seen from distances of several metres away from below or at an angle, which is ideal for children• Simple installation, fitting door thicknesses from 24 to 72mm• Robust, weather resistant metal construction