Home intercom from Hikvision company consisting of: (External doorbell with camera + internal intercom screen) DS-KIS604-P Specifications: External camera up to 1080P resolution Resistant to external conditions and temperatures Night vision up to 2 meters 7-inch Wi-Fi color screen allows audio and video communication Ability to open the door lock via the screen and mobile remotely via the hik-connect app Ability to add more units as needed (external doorbell or internal screen) 7-inch color touch Wi-Fi screen with a resolution of 1024 × 600 PoE protocol standard Stores messages and captured images on a TF card Remote unlock via hik-connect app View live stream of connected doors and cameras Built-in speaker Supports Hikvision wireless intercom Two-way audio communication ( Phone number appears when clicking the contact button )