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Product comparison · 2 video intercom systems

Dahua Technology KTW02 video intercom system vs Dahua Technology VTH5421E-H video intercom system

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  • 32specifications compared
  • 12differ
  • 20identical
  • 41known for one product only

Key differences

The Dahua Technology KTW02 video intercom system has 224 GB more maximum memory card size than the Dahua Technology VTH5421E-H video intercom system (256 GB vs 32 GB). The Dahua Technology KTW02 video intercom system has 1 W more power consumption (typical) than the Dahua Technology VTH5421E-H video intercom system (6 W vs 5 W). The Dahua Technology KTW02 video intercom system has 1.5 W more power consumption (standby) than the Dahua Technology VTH5421E-H video intercom system (3.5 W vs 2 W). Only the Dahua Technology VTH5421E-H video intercom system has colour. Only the Dahua Technology KTW02 video intercom system has outdoor unit included.

  • Colour
    • No
    • Yes
  • Voice codecs
    • G.711a, G.711u, PCM
    • PCM
  • Product colour
    • Light grey
    • Black
  • Proper use
    • Outdoor
    • Indoor
  • Compatible memory cards
    • MicroSD (TransFlash), SD
    • SD
  • Maximum memory card size
    • 256 GB
    • 32 GB
  • Power consumption (typical)
    • 6 W
    • 5 W
  • Power consumption (standby)
    • 3.5 W
    • 2 W

Side by side

Differences highlightedShow differences only
73 specifications
A

Dahua Technology

KTW02 video intercom system

Model KTW02

View product
B

Dahua Technology

VTH5421E-H video intercom system

Model VTH5421E-H

View product
Features1 differ
Connectivity technologyWired & WirelessWired & Wireless
ColourDiffersNoYes
Maximum number of cameras supportedKnown for one1
SpeakerphoneYesYes
RFID readerKnown for oneYes
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 displays supportedKnown for one1
Video codecsKnown for oneH.264
Displayidentical
Display diagonal17.8 cm (7")17.8 cm (7")
Display technologyTFTTFT
Display resolution1024 x 600 pixels1024 x 600 pixels
TouchscreenYesYes
Video formats supportedKnown for oneH.264, H.265
Backlight displayKnown for oneYes
Touchscreen typeKnown for oneCapacitive
Night visionidentical
Night visionKnown for oneYes
LED typeKnown for oneIR
Cameraidentical
Megapixel (approx.)Known for one2 MP
Supported video modesKnown for one720p, 1080p
Sensor typeKnown for oneCMOS
Optical sensor sizeKnown for one25.4 / 2.8 mm (1 / 2.8")
Maximum frame rateKnown for one30 fps
Viewing angle, horizontalKnown for one110°
Viewing angle, verticalKnown for one62°
Audio1 differ
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711a, G.711u, PCMPCM
Design2 differ
Product colourDiffersLight greyBlack
International Protection (IP) codeKnown for oneIP65
Control typeTouchTouch
Housing materialKnown for oneAcrylonitrile butadiene styrene (ABS), Polycarbonate (PC)
Placement supportedKnown for oneVertical
Proper useDiffersOutdoorIndoor
Indoor unit housing materialKnown for oneABS, Polycarbonate
Storage2 differ
Memory card slotYesYes
Compatible memory cardsDiffersMicroSD (TransFlash), SDSD
Maximum memory card sizeDiffers256 GB32 GB
Network1 differ
Ethernet interface typeFast EthernetFast Ethernet
Ethernet LAN data rates10,100 Mbit/s10,100 Mbit/s
Ethernet LAN (RJ-45) ports11
Wi-FiYesYes
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11b, 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, ONVIFIPv4, DNS, RTSP, RTP, TCP, UDP, SIP
Power2 differ
Outdoor unit power typeKnown for oneDC/PoE
AC adapter output voltageKnown for one33 V
AC adapter output currentKnown for one1 A
Power consumption (typical)Differs6 W5 W
Power consumption (standby)Differs3.5 W2 W
Indoor unit power typeKnown for oneDC
Operational conditions1 differ
Operating relative humidity (H-H)10 - 90%10 - 90%
Operating temperature (T-T)Differs-40 - 60 °C-10 - 55 °C
Weight & dimensionsidentical
Door station dimensions (WxDxH)Known for one160 x 50 x 30 mm
WidthKnown for one236 mm
DepthKnown for one129.8 mm
HeightKnown for one23 mm
WeightKnown for one566 g
Packaging data1 differ
Indoor unit includedYesYes
Outdoor unit includedDiffersYesNo
Package weightKnown for one917 g
Logistics dataidentical
Quantity per packKnown for one1 pc(s)
Minimum order quantityKnown for one1 pc(s)
Technical details1 differ
Compliance certificatesDiffersCE, Federal Communications Commission (FCC)CE
Sustainability complianceKnown for oneYes
CertificationKnown for oneFCC
Softwareidentical
Operating system installedKnown for oneLinux

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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