Features: *3.0inch LCD screen indoor doorbell with one outdoor IR peephole camera,seeing everything outside at a 120view,always keeping your family in safe before opening the door when someone knocks on your door,very safe and convenient,right? *Support night vision function,which ensures the security of your family all day,night-vision distance is up to 3 meters,so you do not need to worry about using in the the darkness,a real your security housekeeper. *Photo shooting and videos taking:the peephole viewer can take photos and videos when someone presses the bell,it can also support TF card recording(TF card is not included),with external TF card slot for you,which can add you too much convenience for inserting the card,it is built-in memory for pictures storage up to 30 or 90 pieces,you can check the visitors tracks by it. *36 pieces of chord for your choice,you can choose your love ones according to your preference. *Easy installation and it will not take up your too much time,widely used for family apartments, office buildings,hotels.