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Outdoor Stations
DAHUA-4391
DAHUA-4391
DAHUA-4391_B
DAHUA-4391_C
DAHUA-4391_D

Dahua SIP Video Door Station

DAHUA-4391

DHI-VTO2211G-P-S2

  • MAIN FEATURES
  • SPECIFICATIONS
  • DOCUMENTATION
  • COMMENTS
  • Dahua SIP video door station
  • Controls two locks
  • Supports 10000 cards
  • Night vision with IR lighting
  • Two-way audio and voice call through App
  • Management platform
  • Unlocking with card, on interior monitor and remote unlocking via App
  • Ultra-slim and lightweight design
  • IP65 protection
  • Supports PoE standard
  • Embedded processor
  • Embedded Linux operating system
  • Mechanical push-button operation
  • H.265 and H.264 video compression
  • 2 megapixel 1/2.8" CMOS image sensor
  • Low illumination
  • Infrared illumination for night vision
  • Automatic infrared light compensation
  • Day/night mode with removable mechanical ICR filter
  • 125°(H), 71°(V), 142°(D) viewing angles
  • 120dB WDR
  • 3D Noise Reduction
  • Stream 1: 720P, WVGA, D1, CIF (25/30 fps)
  • Stream 2: 1080P, WVGA, D1, QVGA, CIF (25/30 fps)
  • G.711a, G.711u, PCM audio compression
  • Two-way audio
  • 1 audio input
  • Built-in speakerphone
  • Echo suppression and digital noise cancellation
  • All-digital communication
  • Automatic image capture
  • Web configuration
  • IC card reader
  • Up to 10,000 cards
  • Card reading range: 0 ~ 4.3 cm
  • Card unlocking, unlocking on the indoor monitor and remote unlocking via App
  • SD card slot up to 256 GB (card not included)
  • 1 RS485 port
  • 1 alarm input / 1 alarm output
  • 1 power output 12V, 200 mA
  • 1 output button port
  • 1 door status detection port
  • 1 door control port (NC by default)
  • Tamper tamper
  • 10/100M network interface
  • Network protocol: UDP, TCP, IPv4, DNS, RTSP, SIP, P2P, RTP
  • Onvif, CGI support
  • IP65 protection rating (silicon sealing required)
  • Polycarbonate and acrylic housing
  • Surface mount installation
  • Power supply: 12V DC, 1A
  • Supports standard PoE
  • Power consumption: ≤1W (standby), ≤7W (operation)
  • Operating temperature from -30C ~ +60°C
  • Relative humidity 10% ~ 90% (non-condensing)
  • Dimensions: 100 (W) x 150 (H) x 25.4 mm
  • Net weight: 490 g
  • Gross weight: 510 g
REFERENCE / MODEL DAHUA-4391 / DHI-VTO2211G-P-S2
Audio 1 input || Speaker
Ingress protection IP65
Special Protection No
Sensor 1/2.8" CMOS
WDR (Backlight) WDR (120dB)
Codec H.264 || H.265
System Villa
Device Camera
Protocol Onvif || SIP
Colour Black
Installation environment Outdoor
Material Plastic
Alarm channels 1 input / 1 output
Connectivity IP || RS-485

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