Ezviz HP7 Smart Home Video Doorphone

 2K resolution
7 Inch Touch monitor
 3 Ways to open door: QR Code, Temp code, Indoor Monitor, Ezviz App, RFID
 Remote Door/ Gate unlock
 Smart human detection
 Built-In Doorbell with Multiple Ringtones
 Two way talk Include Voice Changer
 2 Wire Compatible With 4 Wire system, support up to 512 gb