7inch Apartment 2 Units Wired Video Door Phone Visual Entry System110

Apartment 2 units independent 7 inch color LCD Intercom doorbell, two households independent, separate video, talk to each other, unlock. Features: Indoor monitor: 7 inch digital color LCD screen, no radiation and low power consumption, true high definition 16:9 widescreen display. Ultra-thin design, aluminum panel, electroplated keys, high-grade beauty all show luxury style. With Speakerphone function. Active monitoring of outdoor functions. 16 ringtones optional, beautiful sound. The brightness, color and volume of the image can be adjusted synchronously at will. One-key unlock function. Outdoor unit: Electronic control unlock function (open the lock with power on, and use the special access control power supply if the lock is opened with