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Product comparison · 2 video intercom systems

Dahua Technology KTW02 video intercom system vs Dahua Technology VTO6521H-D video intercom system

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  • 51specifications compared
  • 20differ
  • 31identical
  • 18known for one product only

Key differences

  • Connectivity technology
    • Wired & Wireless
    • Wired
  • Display diagonal
    • 17.8 cm (7")
    • 10.9 cm (4.3")
  • Display technology
    • TFT
    • IPS
  • Display resolution
    • 1024 x 600 pixels
    • 800 x 480 pixels
  • Video formats supported
    • H.264, H.265
    • H.264
  • Optical sensor size
    • 25.4 / 2.8 mm (1 / 2.8")
    • 25.4 / 2.7 mm (1 / 2.7")
  • Viewing angle, horizontal
    • 110°
    • 113.79°
  • Viewing angle, vertical
    • 62°
    • 61.5°

Side by side

Differences highlightedShow differences only
69 specifications
A

Dahua Technology

KTW02 video intercom system

Model KTW02

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B

Dahua Technology

VTO6521H-D video intercom system

Model VTO6521H-D

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Features2 differ
Connectivity technologyDiffersWired & WirelessWired
ColourKnown for oneNo
VoIP protocolsDiffersRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIFSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Number of displays supportedKnown for one1
Display4 differ
Display diagonalDiffers17.8 cm (7")10.9 cm (4.3")
Display technologyDiffersTFTIPS
Display resolutionDiffers1024 x 600 pixels800 x 480 pixels
TouchscreenKnown for oneYes
Video formats supportedDiffersH.264, H.265H.264
Night visionidentical
Night visionKnown for oneYes
LED typeKnown for oneIR
Camera3 differ
Optical sensor sizeDiffers25.4 / 2.8 mm (1 / 2.8")25.4 / 2.7 mm (1 / 2.7")
Viewing angle, horizontalDiffers110°113.79°
Viewing angle, verticalDiffers62°61.5°
Audio1 differ
Voice codecsDiffersG.711a, G.711u, PCMG.711u
Design2 differ
Product colourDiffersLight greySilver
Control typeDiffersTouchButtons, Touch
Storage1 differ
Compatible memory cardsKnown for oneMicroSD (TransFlash), SD
Maximum memory card sizeDiffers256 GB4 GB
Included memory card sizeKnown for one1 GB
Network1 differ
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Supported network protocolsDiffersRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIFSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Power5 differ
Outdoor unit power typeDiffersDC/PoEDC
AC adapter output voltageDiffers33 V12 V
AC adapter output currentDiffers1 A2 A
Power consumption (typical)Differs6 W18 W
Power consumption (standby)Differs3.5 W5 W
Power consumptionKnown for one100 mA
Operational conditions1 differ
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 one145.5 mm
DepthKnown for one43.5 mm
HeightKnown for one388.5 mm
WeightKnown for one1 kg
Packaging dataidentical
Indoor unit includedKnown for oneYes
Package weightKnown for one1.29 kg
Softwareidentical
Operating system installedKnown for oneLinux

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