2K Resolution,7-Inch Color Touch Screen,Remote Door/Gate Unlock¹,2-Wire,TwoWay Talk (Supports voice changer feature),Built-In Doorbell with Multiple Ringtones,Smart RFID Unlock (3 tags included),3 Name Cards Included,Supports 2.4 / 5 GHz Dual-Band Wi-Fi,Supports MicroSD Card (Up to 512 GB) & EZVIZ CloudPlay