Introducing the VP7 Card APP Video Doorphone, an advanced system for residential security. With a 7-inch HD touch screen LCD monitor and IP65 protection, it supports up to 6 touch screen monitors. Compatible with up to 20 tags at 13.56MHz frequency, it supports up to 4 IP Onvif cameras. Connects via WiFi to AGL Home, Tuya, or Smartlife apps for remote door unlocking and image viewing. Compatible with up to 20 tags at 13.56MHz frequency; 7-inch HD touch screen LCD monitor Electronic doorphone with IP65 protection Connection via RJ45 network cable Supports up to 4 electronic doorphones together (requires switch) Supports up to 6 touch screen monitors (requires switch) Supports internal communication between the monitors Supports direct point-to-point communication via network cable between doorphone and monitor Supports up to 4 IP cameras with Onvif protocol WiFi connection for communication with AGL Home, Tuya, or Smartlife apps Remote door unlocking and image viewing through the apps Motion detection Notification in the app for motion detection or doorbell press Camera on the doorphone with night vision Compatible with micro SD memory card up to 64 gigabytes Message mode (visitor can leave audio and video message) Do not disturb mode Sharing with family members Doorphone powered by 110/220 volts Monitor powered by 12V 1A power supply Output for 12V locks