Dahua VD IP Doorphone Apartment Camera VTO6521H-S2

4.3" LCD with a resolution of 800 × 480. 2 MP HD camera. Supports smart illumination, which can reduce light pollution. Supports 40,000 users and 20,000 cards. Offers multiple types of alarms such as duress, tamper, emergency and alarms from door detectors. Supports leaving audio and video messages when no one responds through the indoor monitor. (An SD card in VTH is required). Supports multiple unlock methods including password, IC card, QR code (supported by DSS) and unlocks remotely. Unlocks the door through the indoor monitor, management center and app. Provides 12 VDC, 500 mA power for the extension module or card reader. IP65 rated. (Silicone sealant is required for the shell, see the quick start guide.) Standard PoE power supply. (If the VTO device with 12 V power output needs to charge the load, it should be connected to a PSE switch that complies with the 802.3.at standard.)