Dahua VD IP Doorphone Apartment Camera - VTO6521K-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.)

System

• Main Processor : Embedded processor
• Operating System : Embedded Linux operating system
• Button Type : Mechanical
• Network Protocol : RTSP; DNS; P2P; UPnP; RTP; RTMP; SIP; SSH; HTTP/HTTPS; ONVIF

Basic

• Screen Type : Non-touchscreen
• Display : 4.3 inch LCD 
• Screen Resolution : 800×480
• Camera : 1/2.8″ 2MP CMOS  low-illumination HD color camera
• Field of View : H: 95°; V: 50°; D: 110°
• WDR : 120dB
• Noise Reduction : 3D noise reduction
• Video Compression : H.264, H.265
• Video Resolution : Main stream: 720P/D1/WVGA; / Sub stream: 1080P/720P/D1/WVGA/CIF/QVGA
• Frame Rate : 25 fps
• Video Bit Rate : 1,024 kbps–8,192 kbps
• Light Compensation : Auto white light 
• Audio Compression : G.711a; G.711u; PCM
• Audio Input : 1
• Audio Output : Built-in speaker
• Audio Mode : 2-way voice communication
• Audio Enhancement : Echo suppression and cancellation/digital noise reduction
• Audio Bit Rate : 16KHz, 16Bit

Function

• Communication Mode : Full digital
• Unlock Mode : Card; remote; password; QR code
• Card Type : IC card
• Motion Detection : Video motion detection
• Auto Snapshot : Yes
• Leave Videos  : Yes
• Web Configuration : Yes

Performance

• Card Reading Distance : 1cm–3cm
• Issue Card Locally : Yes
• Casing Material : 316 stainless steel

Capacity

• Card : 10,000

Port

• RS-485 : 1
• Wiegand : 1 input,1 output 
• Electric lock : 1
• Alarm Input : 1 (digital quantity)
• Alarm Output : 1 (relay)
• Power Output : 1 x12V/200mA
• Exit Button : 1
• Door Status Detection : 1
• Lock Control : 1, normally open by default (can be expanded to 2 channels with RS-485)
• Network : 1 RJ-45 10Mbps/100Mbps self-adaptive

Alarm

• Tamper : Yes

General

• Unlock Password Mode : User password/public password/duress password
• Color : Silver
• Power Supply Mode : DC 12V2A / Standard PoE
• Power Adapter : Optional
• Installation : Surface mount and Flush mount
• Certification : CE
• Accessory : Optional: flush mount box, rain cover
• Product Dimensions : 406 mm × 143 mm × 54.05 mm
• Protection Grade : IP65 (silicone sealant is needed, see the quick start guide) / IK08
• Operating Temperature : -30°C to +60°C
• Operating Humidity : 0%RH–90%RH (non-condensing)
• Operating Altitude : 0 m–3,000 m 
• Power Consumption : ≤ 5 W (standby), ≤ 18 W (working)
• Gross Weight : 2.3 kg