Product comparison · 2 video intercom systems

Dahua Technology KTW02 video intercom system vs Dahua Technology VTO6221E-P video intercom system

44specifications compared
18differ
26identical
24known for one product only

Key differences

The Dahua Technology VTO6221E-P video intercom system has 28° more viewing angle, horizontal than the Dahua Technology KTW02 video intercom system (138° vs 110°). The Dahua Technology VTO6221E-P video intercom system has 16° more viewing angle, vertical than the Dahua Technology KTW02 video intercom system (78° vs 62°). The Dahua Technology KTW02 video intercom system has 21 V more AC adapter output voltage than the Dahua Technology VTO6221E-P video intercom system (33 V vs 12 V). Only the Dahua Technology VTO6221E-P video intercom system has colour. Connectivity technology: Wired & Wireless on the Dahua Technology KTW02 video intercom system, Wired on the Dahua Technology VTO6221E-P video intercom system.

Connectivity technology
- KTW02 video intercom system:Wired & Wireless
- VTO6221E-P video intercom system:Wired
Colour
- KTW02 video intercom system:No
- VTO6221E-P video intercom system:Yes
Display diagonal
- KTW02 video intercom system:17.8 cm (7")
- VTO6221E-P video intercom system:5.84 cm (2.3")
Display technology
- KTW02 video intercom system:TFT
- VTO6221E-P video intercom system:OLED
Video formats supported
- KTW02 video intercom system:H.264, H.265
- VTO6221E-P video intercom system:H.264
Optical sensor size
- KTW02 video intercom system:25.4 / 2.8 mm (1 / 2.8")
- VTO6221E-P video intercom system:25.4 / 2.9 mm (1 / 2.9")
Viewing angle, horizontal
- KTW02 video intercom system:110°
- VTO6221E-P video intercom system:138°
Viewing angle, vertical
- KTW02 video intercom system:62°
- VTO6221E-P video intercom system:78°

Side by side

Differences highlightedShow differences only

Comparison of KTW02, VTO6221E-P
68 specifications	A Dahua Technology KTW02 video intercom system Model KTW02 View product	B Dahua Technology VTO6221E-P video intercom system Model VTO6221E-P View product
Features3 differ
Connectivity technologyDiffers	Wired & Wireless	Wired
ColourDiffers	No	Yes
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
VoIP protocolsDiffers	RTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF	TCP/IP
Number of displays supportedKnown for one	Unknown — not stated by the source	1
Display3 differ
Display diagonalDiffers	17.8 cm (7")	5.84 cm (2.3")
Display technologyDiffers	TFT	OLED
Display resolutionKnown for one	1024 x 600 pixels	Unknown — not stated by the source
TouchscreenKnown for one	Yes	Unknown — not stated by the source
Video formats supportedDiffers	H.264, H.265	H.264
Night visionidentical
LED typeKnown for one	IR	Unknown — not stated by the source
Camera3 differ
Supported video modesKnown for one	720p, 1080p	Unknown — not stated by the source
Optical sensor sizeDiffers	25.4 / 2.8 mm (1 / 2.8")	25.4 / 2.9 mm (1 / 2.9")
Maximum frame rateKnown for one	30 fps	Unknown — not stated by the source
Viewing angle, horizontalDiffers	110°	138°
Viewing angle, verticalDiffers	62°	78°
Audio1 differ
Voice codecsDiffers	G.711a, G.711u, PCM	G.711
Design3 differ
Product colourDiffers	Light grey	Aluminium
Control typeDiffers	Touch	Buttons
Housing materialDiffers	Acrylonitrile butadiene styrene (ABS), Polycarbonate (PC)	Aluminium
IK codeKnown for one	Unknown — not stated by the source	IK08
Storageidentical
Memory card slotKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	MicroSD (TransFlash), SD	Unknown — not stated by the source
Maximum memory card sizeKnown for one	256 GB	Unknown — not stated by the source
Network1 differ
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Supported network protocolsDiffers	RTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF	TCP/IP
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3af
Power3 differ
Outdoor unit power typeDiffers	DC/PoE	DC
AC adapter output voltageDiffers	33 V	12 V
AC adapter output currentDiffers	1 A	2 A
Power consumption (standby)Known for one	3.5 W	Unknown — not stated by the source
Operational conditions1 differ
Operating relative humidity (H-H)Differs	10 - 90%	20 - 95%
Weight & dimensionsidentical
Door station dimensions (WxDxH)Known for one	160 x 50 x 30 mm	Unknown — not stated by the source
WidthKnown for one	Unknown — not stated by the source	98 mm
DepthKnown for one	Unknown — not stated by the source	32 mm
HeightKnown for one	Unknown — not stated by the source	200 mm
WeightKnown for one	Unknown — not stated by the source	1.5 kg
Packaging dataidentical
Indoor unit includedKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Compliance certificatesKnown for one	CE, Federal Communications Commission (FCC)	Unknown — not stated by the source
Sustainability complianceKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Operating system installedKnown for one	Unknown — not stated by the source	Linux

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.

Dahua Technology KTW02 video intercom system vs Dahua Technology VTO6221E-P video intercom system

Key differences

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