This product is either discontinued or we cannot get that from suppliers.
Daha DHI-VTO2000A-2 1.3mp 2 Wire Ip Villa Outdoor Station, Sensor 1/3Inch 1.3MP CMOS, Lens 2.8mm, Ethernet 10M/100Mbps Self-adaptive, Power DC 24V / Supply directly by VTNC3000A.
The DHI-VTO2000A-2 enables tenants to view and talk with visitors and remotely unlock doors all from an intuitive mobile app and an interior color indoor monitor.