Product comparison · 2 security cameras

Dahua Technology Consumer IPC-HDBW4431E28 security camera Dome IP security camera vs Imou A1 dual

35specifications compared
19differ
16identical
64known for one product only

Key differences

The Imou A1 dual has 4° more lens viewing angle, horizontal than the Dahua Technology Consumer IPC-HDBW4431E28 security camera Dome IP security camera (91° vs 87°). The Dahua Technology Consumer IPC-HDBW4431E28 security camera Dome IP security camera has 1° more lens viewing angle, vertical than the Imou A1 dual (48° vs 47°). The Dahua Technology Consumer IPC-HDBW4431E28 security camera Dome IP security camera has 15 m more night vision distance than the Imou A1 dual (30 m vs 15 m). Only the Imou A1 dual has Wi-Fi. Connectivity technology: Wired on the Dahua Technology Consumer IPC-HDBW4431E28 security camera Dome IP security camera, Wired & Wireless on the Imou A1 dual.

Connectivity technology
- Consumer IPC-HDBW4431E28 security camera Dome IP security camera:Wired
- A1 dual:Wired & Wireless
Form factor
- Consumer IPC-HDBW4431E28 security camera Dome IP security camera:Dome
- A1 dual:Turret
Mounting type
- Consumer IPC-HDBW4431E28 security camera Dome IP security camera:Ceiling
- A1 dual:Ceiling/Desk
Product colour
- Consumer IPC-HDBW4431E28 security camera Dome IP security camera:White
- A1 dual:Black, White
Lens viewing angle, horizontal
- Consumer IPC-HDBW4431E28 security camera Dome IP security camera:87°
- A1 dual:91°
Lens viewing angle, vertical
- Consumer IPC-HDBW4431E28 security camera Dome IP security camera:48°
- A1 dual:47°
Night vision distance
- Consumer IPC-HDBW4431E28 security camera Dome IP security camera:30 m
- A1 dual:15 m
LED type
- Consumer IPC-HDBW4431E28 security camera Dome IP security camera:IR
- A1 dual:White

Side by side

Differences highlightedShow differences only

Comparison of IPC-HDBW4431E28, A1 dual
99 specifications	A Dahua Technology Consumer IPC-HDBW4431E28 security camera Dome IP security camera Model IPC-HDBW4431E28 View product	B Imou A1 dual View product
Performance1 differ
Type	IP security camera	IP security camera
Connectivity technologyDiffers	Wired	Wired & Wireless
Wide Dynamic Range (WDR)Known for one	Yes	Unknown — not stated by the source
Day/night mode	Yes	Yes
Alarm input/outputKnown for one	Yes	Unknown — not stated by the source
Placement supportedKnown for one	Unknown — not stated by the source	Outdoor
Auto-trackingKnown for one	Unknown — not stated by the source	Yes
Built-in lightKnown for one	Unknown — not stated by the source	Yes
Design3 differ
Form factorDiffers	Dome	Turret
Mounting typeDiffers	Ceiling	Ceiling/Desk
Product colourDiffers	White	Black, White
International Protection (IP) codeKnown for one	IP67	Unknown — not stated by the source
IK codeKnown for one	IK10	Unknown — not stated by the source
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Camera2 differ
Minimum illuminationKnown for one	0 lx	Unknown — not stated by the source
Lens viewing angle, horizontalDiffers	87°	91°
Lens viewing angle, verticalDiffers	48°	47°
White balanceKnown for one	Auto, Manual, Natural, Outdoor	Unknown — not stated by the source
Camera shutter speedKnown for one	1/3 - 1/100000 s	Unknown — not stated by the source
Lens viewing angle, diagonalKnown for one	Unknown — not stated by the source	107°
Tilt angle rangeKnown for one	Unknown — not stated by the source	-5 - 80°
Pan rangeKnown for one	Unknown — not stated by the source	0 - 355°
Image sensoridentical
Sensor type	CMOS	CMOS
Optical sensor size	25.4 / 3 mm (1 / 3")	25.4 / 3 mm (1 / 3")
Progressive scan	Yes	Yes
Number of effective pixels (H x V)Known for one	2688 x 1520 pixels	Unknown — not stated by the source
Lens systemidentical
Fixed focusKnown for one	Yes	Unknown — not stated by the source
Maximum aperture numberKnown for one	2	Unknown — not stated by the source
Fixed focal lengthKnown for one	3.6 mm	Unknown — not stated by the source
Number of lensesKnown for one	Unknown — not stated by the source	2
Zoom capabilityKnown for one	Unknown — not stated by the source	Yes
Digital zoomKnown for one	Unknown — not stated by the source	8x
Focal length rangeKnown for one	Unknown — not stated by the source	3.6 mm
Night vision2 differ
Night vision	Yes	Yes
Night vision distanceDiffers	30 m	15 m
LED typeDiffers	IR	White
Video4 differ
Maximum resolutionDiffers	2560 x 1440 pixels	2304 x 1296 pixels
Total megapixelsDiffers	4 MP	6 MP
Video compression formatsDiffers	H.264, H.264+, H.265, H.265+	H.264, H.265
Supported graphics resolutionsKnown for one	352 x 240, 352 x 288, 704 x 480, 704 x 576, 1280 x 720 (HD 720), 1920 x 1080 (HD 1080), 2304 x 1296, 2560 x 1440	Unknown — not stated by the source
Supported video modesKnown for one	720p, 1080p	Unknown — not stated by the source
Frame rateDiffers	30 fps	15 fps
Noise reductionKnown for one	Yes	Unknown — not stated by the source
3D NR (Noise Reduction)Known for one	Yes	Unknown — not stated by the source
Gain control typeKnown for one	Auto/Manual	Unknown — not stated by the source
Automatic gain controlKnown for one	Yes	Unknown — not stated by the source
Back Light Compensation (BLC)Known for one	Yes	Unknown — not stated by the source
Bit rateKnown for one	32 Kbps - 10 Mbps	Unknown — not stated by the source
Full HDKnown for one	Yes	Unknown — not stated by the source
Highlight Compensation (HLC)Known for one	Yes	Unknown — not stated by the source
Audioidentical
Audio input channelsKnown for one	1.0 channels	Unknown — not stated by the source
Audio output channelsKnown for one	1.0 channels	Unknown — not stated by the source
Audio formats supportedKnown for one	AAC, G.711	Unknown — not stated by the source
Signal-to-Noise Ratio (SNR)Known for one	50 dB	Unknown — not stated by the source
Voice codecsKnown for one	G.711a, G.711u	Unknown — not stated by the source
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Audio systemKnown for one	Unknown — not stated by the source	2-way
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Network1 differ
Ethernet LAN	Yes	Yes
Wi-FiDiffers	No	Yes
Bluetooth	No	No
Ethernet interface type	Fast Ethernet	Fast Ethernet
Supported network protocolsKnown for one	HTTP; HTTPs; TCP; ARP; RTSP; RTP; UDP; SMTP; FTP; DHCP; DNS; DDNS; PPPOE; IPv4/v6; QoS; UPnP;NTP; Bonjour; 802.1x; Multicast; ICMP; IGMP; SNMP	Unknown — not stated by the source
Cabling technologyKnown for one	10/100Base-T(X)	Unknown — not stated by the source
Number of usersKnown for one	20 user(s)	Unknown — not stated by the source
Streaming methodKnown for one	Multicast, Unicast	Unknown — not stated by the source
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 6 (802.11ax)
Storage1 differ
Built-in HDD	No	No
Card reader integrated	Yes	Yes
Compatible memory cards	MicroSD (TransFlash)	MicroSD (TransFlash)
Maximum memory card sizeDiffers	128 GB	512 GB
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	1	1
USB portKnown for one	Unknown — not stated by the source	Yes
Power2 differ
Power source typeDiffers	PoE	DC
Power consumption (typical)Differs	5 W	7.5 W
Power over Ethernet (PoE)Known for one	Yes	Unknown — not stated by the source
DC output voltageKnown for one	Unknown — not stated by the source	5
DC output currentKnown for one	Unknown — not stated by the source	1.5 A
Operational conditions1 differ
Operating temperature (T-T)Differs	-30 - 60 °C	-10 - 45 °C
Operating relative humidity (H-H)	0 - 95%	0 - 95%
System requirementsidentical
Mobile operating systems supported	Android, iOS	Android, iOS
Weight & dimensions2 differ
HeightDiffers	81 mm	106.8 mm
DiameterKnown for one	11 cm	Unknown — not stated by the source
WeightDiffers	410 g	200 g
WidthKnown for one	Unknown — not stated by the source	77.4 mm
LengthKnown for one	Unknown — not stated by the source	77.4 mm
Packaging contentidentical
Number of cameras	1	1
Mounting kitKnown for one	Unknown — not stated by the source	Yes
Screws includedKnown for one	Unknown — not stated by the source	Yes
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Mounting templateKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Securityidentical
Built-in sirenKnown for one	Unknown — not stated by the source	Yes
Intelligent Video Surveillance (IVS) system featuresKnown for one	Unknown — not stated by the source	Abnormal sound detection, Human detection, Pet detection
Privacy protectionKnown for one	Unknown — not stated by the source	Yes
Video motion detectionKnown for one	Unknown — not stated by the source	Yes
Management featuresidentical
Cloud-managedKnown for one	Unknown — not stated by the source	Yes
Reset buttonKnown for one	Unknown — not stated by the source	Yes
Sustainabilityidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	CE

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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