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Product comparison · 2 video intercom systems

Dahua Technology KTW02 video intercom system vs Dahua Technology VTO3211D-P4-S1 video intercom system

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  • 29specifications compared
  • 11differ
  • 18identical
  • 40known for one product only

Key differences

The Dahua Technology VTO3211D-P4-S1 video intercom system has 24° more viewing angle, horizontal than the Dahua Technology KTW02 video intercom system (134° vs 110°). The Dahua Technology VTO3211D-P4-S1 video intercom system has 32.8° more viewing angle, vertical than the Dahua Technology KTW02 video intercom system (94.8° vs 62°). Only the Dahua Technology VTO3211D-P4-S1 video intercom system has colour. Only the Dahua Technology KTW02 video intercom system has indoor unit included. Connectivity technology: Wired & Wireless on the Dahua Technology KTW02 video intercom system, Wired on the Dahua Technology VTO3211D-P4-S1 video intercom system.

  • Connectivity technology
    • Wired & Wireless
    • Wired
  • Colour
    • No
    • Yes
  • Viewing angle, horizontal
    • 110°
    • 134°
  • Viewing angle, vertical
    • 62°
    • 94.8°
  • Voice codecs
    • G.711a, G.711u, PCM
    • G.711
  • Product colour
    • Light grey
    • Grey
  • Control type
    • Touch
    • Buttons
  • Outdoor unit power type
    • DC/PoE
    • DC

Side by side

Differences highlightedShow differences only
69 specifications
A

Dahua Technology

KTW02 video intercom system

Model KTW02

View product
B

Dahua Technology

VTO3211D-P4-S1 video intercom system

Model VTO3211D-P4-S1

View product
Features2 differ
Connectivity technologyDiffersWired & WirelessWired
ColourDiffersNoYes
Maximum number of cameras supportedKnown for one1
SpeakerphoneYesYes
RFID readerYesYes
Fingerprint readerKnown for oneYes
Automatic gain controlKnown for oneYes
Built-in microphoneYesYes
Door station controlKnown for oneYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Wall mountableYesYes
Number of buttonsKnown for one4 buttons
Video codecsKnown for oneH.264
Displayidentical
Display diagonalKnown for one17.8 cm (7")
Display technologyKnown for oneTFT
Display resolutionKnown for one1024 x 600 pixels
TouchscreenKnown for oneYes
Video formats supportedKnown for oneH.264, H.265
Night visionidentical
Night visionYesYes
LED typeKnown for oneIR
Camera2 differ
Megapixel (approx.)2 MP2 MP
Supported video modesKnown for one720p, 1080p
Sensor typeCMOSCMOS
Optical sensor size25.4 / 2.8 mm (1 / 2.8")25.4 / 2.8 mm (1 / 2.8")
Maximum frame rateKnown for one30 fps
Viewing angle, horizontalDiffers110°134°
Viewing angle, verticalDiffers62°94.8°
Field of view (FOV) angleKnown for one151°
Audio1 differ
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711a, G.711u, PCMG.711
Design2 differ
Product colourDiffersLight greyGrey
International Protection (IP) codeIP65IP65
Control typeDiffersTouchButtons
Housing materialKnown for oneAcrylonitrile butadiene styrene (ABS), Polycarbonate (PC)
Placement supportedKnown for oneVertical
Proper useOutdoorOutdoor
IK codeKnown for oneIK08
Outdoor unit housing materialKnown for oneZinc alloy
Storageidentical
Memory card slotKnown for oneYes
Compatible memory cardsKnown for oneMicroSD (TransFlash), SD
Maximum memory card sizeKnown for one256 GB
Network1 differ
Ethernet interface typeFast EthernetFast Ethernet
Ethernet LAN data rates10,100 Mbit/s10,100 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one1
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technology10/100Base-T(X)10/100Base-T(X)
Power over Ethernet (PoE)YesYes
Supported network protocolsDiffersRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIFTCP/IP
Power1 differ
Outdoor unit power typeDiffersDC/PoEDC
AC adapter output voltageKnown for one33 V
AC adapter output currentKnown for one1 A
Power consumption (typical)6 W6 W
Power consumption (standby)Known for one3.5 W
Operational conditions1 differ
Operating relative humidity (H-H)10 - 90%10 - 90%
Operating temperature (T-T)Differs-40 - 60 °C-30 - 60 °C
Weight & dimensionsidentical
Door station dimensions (WxDxH)Known for one160 x 50 x 30 mm
WidthKnown for one101 mm
DepthKnown for one30 mm
HeightKnown for one182 mm
WeightKnown for one800 g
Packaging data1 differ
Indoor unit includedDiffersYesNo
Outdoor unit includedYesYes
Logistics dataidentical
Quantity per packKnown for one1 pc(s)
Minimum order quantityKnown for one1 pc(s)
Technical detailsidentical
Compliance certificatesKnown for oneCE, Federal Communications Commission (FCC)
Sustainability complianceKnown for oneYes

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