Flat video porter intercom with cade 10inch 4-unit touch monitor 3in-1 unlock

‌3in-1Unlock and auto Video Recording: the device has multiple Unlock methods you can unlock it using ID card ,App and screen monitor, very comfortable and flexible when motion detection is enabled, the camera will capture or record video automatically and save it to the monitor Micro SD card (including32G SD card ).you can view the recording via your smartphone at any timeREAL-TIME MONITORING, NO VISITOR IS LOST: with the latest IP technology, when a visitor rings the bell your mobile phone will receive a call from YOUR APP, you will be able to see ,hear and talk to the door, you can even remotely unlock the door from anywhere with your smartphone, you will not miss any deliveries or make your guests wait 4unit or of the unit: 1ootdoor camera and 4 indoor monitors for visual intercom bell system, supports two occupants in one building individual monitors without interfering each other 1