7-inch Wifi Video Intercoms Camera Remote Unlock For Home Villa RFID Access Control Video Intercom For Apartment Door Bell System

7" Wifi Video Intercoms Camera Remote Unlock For Home Villa RFID Access Control Video Intercom For Apartment Door Bell System Product Features 1. The outdoor unit can make a video call with the indoor unit, and unlock and record videos. (support for 32GB memory card at maximum)2. It can also make a remote video call with the mobile phone terminal, unlock, take photos, and record videos.3. Support Android 6.0 and IOS 8.0 or above mobile phone system;4. One device can be added and connected to several mobile phones in the meantime, and up to four mobile phones are allowed to open and view the outdoor unit in the meantime.5. This product will be upgraded based on demand, the actual product shall prevail, and our company reserves the right of final interpretation. Indoor Monitor: Doorbell: Product Details   * There is a 4-wire system connection. Use a 4-core cable to connect the outdoor camera and monitor.  The maximum distance can reach 100 meters. Different distances and cables of dif