Yale Digital Door Viewer Memory Plus 4500 - Captures Images - Integrated doorbell - Live Viewing - Silver - 45-4500-1440-00-60-11 The Yale Digital Door Viewer Memory+ offers peace of mind through the 80dB integrated doorbell and 4" LCD screen that allows you to view and identify who's calling at your door before you open it. The optional internal memory can capture up to 50 still images of people who have called at your property whilst you are away from home, with time and date stamped still images taken on the 0.3mp built-in camera. The night vision function and weather-resistant IP56 rating ensure you always get a clear image, day or night. The Yale Digital Door Viewer Memory + is simple to install and fits doors with a thickness of between 38mm - 110mm. Features Large 4" LCD Screen. Saves images to the internal memory (50 images) or to an optional SD card (not included). Time and Date stamped images to help keep track of who has been visiting the property and when. Night Mode function. 0.3 MP Camera with 105 degree viewing angle Integrated 80db doorbell Fits standard 14mm hole and door thickness 38-110mm DIY friendly - battery powered and easy to fit, Inside the Box 4" LCD Display Screen x 1 Camera/Doorbell x 1 Fixtures & Fixings Batteries (4xAAA) Live Viewing Always know who is at the door before you open it. Capture Pictures The 4500 digital door viewer stores images internally, so you can see who stopped by whilst you were out. 4" Screen A large screen for a clear view. High Quality Camera With 105 degree viewing angle. See in the Dark Built-in infrared night view allows you to see who it is even when it's dark. Doorbell The 4500 digital door viewer has an integrated doorbell for convenience.