2K image quality 7-inch color touchscreen Remote door/gate unlock1 Two-wire system Smart human motion detection Talk and listen capability (supports voice changer feature) Built-in doorbell with multiple ringtones Smart RFID door unlock (3 fobs included) Weather-resistant design 3 nameplates included Supports dual-band Wi-Fi 2.4/5 GHz Supports MicroSD card (up to 512 GB) and EZVIZ cloud storage