Wired Video Doorbell Intercom System RFID Unlock Camera Doorbell With 7 Inch Screen Night Vision Home Bell For V ,Easy to Install

Waterproof and Dustproof,work stable in rainy,cloudy,cold and snow day Two-Way talk, monitor can be connected to 2 outdoor doorbell camera; Unlock the door with indoor monitor while connecting to electric lock; It is well designed with easy operation, such as ringtone replacement, volume adjustment and other intuitive operations. The 4-wire villa intercom system is a video intercom system developed for villa users. The system has call intercom, monitoring, RFID cardaccess control and other functions.