2K Resolution 7-Inch Color Touch Screen Remote Door/Gate Unlock 2-Wire and 4 Wire Smart Human Motion Detection Two-Way Talk (Supports voice changer feature – hide original voice) Built-In Doorbell with Multiple Ringtones Smart RFID Unlock Weatherproof Design 3 Name Cards Supports 2.4 / 5 GHz Dual-Band Wi-Fi Supports MicroSD Card (512GB 6 months) & EZVIZ CloudPlay Storage