Product comparison · 2 security cameras

Dahua Technology Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor vs Dahua Technology Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor

87specifications compared
39differ
48identical
33known for one product only

Key differences

The Dahua Technology Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor has 19° more lens viewing angle, horizontal than the Dahua Technology Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor (107° vs 88°). The Dahua Technology Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor has 8° more lens viewing angle, vertical than the Dahua Technology Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor (56° vs 48°). The Dahua Technology Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor has 45.1 m more detect distance than the Dahua Technology Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor (89 m vs 43.9 m). Only the Dahua Technology Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor has night vision. Only the Dahua Technology Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor has built-in HDD.

Housing material
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:Metal
- Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor:Metal, Plastic
Lens viewing angle, horizontal
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:88°
- Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor:107°
Lens viewing angle, vertical
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:48°
- Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor:56°
Optical sensor size
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:25.4 / 2.5 mm (1 / 2.5")
- Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor:25.4 / 2.8 mm (1 / 2.8")
Detect distance
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:89 m
- Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor:43.9 m
Observe distance
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:36 m
- Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor:17.5 m
Recognize distance
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:18 m
- Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor:8.8 m
Identify distance
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:9 m
- Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor:4.4 m

Side by side

Differences highlightedShow differences only

Comparison of HDW4831EMP-ASE, IPC-HDW2231T-AS-0280B-S2
120 specifications	A Dahua Technology Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor Model HDW4831EMP-ASE View product	B Dahua Technology Lite IPC-HDW2231T-AS-0280B-S2 security camera Dome IP security camera Indoor & outdoor Model IPC-HDW2231T-AS-0280B-S2 View product
Performance1 differ
Type	IP security camera	IP security camera
Placement supported	Indoor & outdoor	Indoor & outdoor
Connectivity technology	Wired	Wired
PTZ control	Yes	Yes
Wide Dynamic Range (WDR)	Yes	Yes
Day/night mode	Yes	Yes
Infrared (IR) cut-off filterKnown for one	Unknown — not stated by the source	Yes
Remote viewingKnown for one	Unknown — not stated by the source	Yes
Dynamic rangeKnown for one	Unknown — not stated by the source	120 dB
CertificationDiffers	CE (EN 60950:2000) UL:UL60950-1 FCC: FCC Part 15 Subpart B	CE-LVD: EN60950-1 CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU FCC: 47 CFR FCC Part 15, Subpart B UL/CUL: UL60950-1 CAN/CSA C22.2 No.60950-1-07
Design2 differ
Form factor	Dome	Dome
Mounting type	Ceiling/wall	Ceiling/wall
Product colour	White	White
Housing materialDiffers	Metal	Metal, Plastic
Protection featuresDiffers	Temperature proof, Waterproof	Vandal proof
International Protection (IP) code	IP67	IP67
Camera3 differ
Camera pan controlKnown for one	Unknown — not stated by the source	Yes
Camera tilt controlKnown for one	Unknown — not stated by the source	Yes
Minimum illumination	0 lx	0 lx
Angle of rotation	360°	360°
Lens viewing angle, horizontalDiffers	88°	107°
Lens viewing angle, verticalDiffers	48°	56°
Lens viewing angle, diagonalKnown for one	Unknown — not stated by the source	127°
Tilt angle range	0 - 78°	0 - 78°
Pan range	0 - 360°	0 - 360°
White balanceDiffers	Auto, Lamp, Manual, Natural, Outdoor	Auto, Custom modes, Manual, Natural, Outdoor
Camera shutter speed	1/3 - 1/100000 s	1/3 - 1/100000 s
Number of Privacy masking areasKnown for one	Unknown — not stated by the source	4
Camera shutter typeKnown for one	Electronic	Unknown — not stated by the source
Adjustment shutter speedKnown for one	Auto/Manual	Unknown — not stated by the source
Image sensor1 differ
Sensor type	CMOS	CMOS
Number of sensorsKnown for one	Unknown — not stated by the source	1
Optical sensor sizeDiffers	25.4 / 2.5 mm (1 / 2.5")	25.4 / 2.8 mm (1 / 2.8")
Progressive scan	Yes	Yes
Lens system6 differ
Number of lensesKnown for one	Unknown — not stated by the source	1
Detect distanceDiffers	89 m	43.9 m
Observe distanceDiffers	36 m	17.5 m
Recognize distanceDiffers	18 m	8.8 m
Fixed focus	Yes	Yes
Identify distanceDiffers	9 m	4.4 m
Maximum aperture number	1.6	1.6
Closest focusing distanceDiffers	1.7 m	0.7 m
Fixed focal lengthDiffers	4 mm	2.8 mm
Zoom capabilityKnown for one	Yes	Unknown — not stated by the source
Night vision3 differ
Night visionDiffers	Yes	No
Night vision distanceDiffers	50 m	30 m
LED type	IR	IR
Number of illumination LEDsDiffers	1	2
Video7 differ
Maximum resolutionDiffers	3840 x 2160 pixels	1920 x 1080 pixels
Total megapixelsDiffers	8 MP	2 MP
Video compression formatsDiffers	H.264, H.264+, H.265, H.265+	H.264, H.265, M-JPEG
Supported graphics resolutionsDiffers	352 x 240, 352 x 288, 640 x 480 (VGA), 704 x 480, 704 x 576, 1280 x 720 (HD 720), 1280 x 960, 1920 x 1080 (HD 1080), 2048 x 1536 (QXGA), 2304 x 1296, 2560 x 1920, 3072 x 2048, 3840 x 2160	352 x 240, 352 x 288, 640 x 480 (VGA), 704 x 480, 704 x 576, 1280 x 720 (HD 720), 1280 x 960, 1920 x 1080 (HD 1080)
Supported video modesDiffers	480p, 720p, 1080p, 2160p	720p, 1080p
Frame rate	30 fps	30 fps
Video streaming	Yes	Yes
Noise reduction	Yes	Yes
Noise reduction technologyDiffers	Ultra 3D noise reduction	3D noise reduction
Gain control type	Auto/Manual	Auto/Manual
Back Light Compensation (BLC)	Yes	Yes
Bit rateDiffers	H.264: 24K ~ 10240Kbps, H.265: 14K ~ 9984Kbps	H.264: 32 Kbps–6144 Kbps; H.265: 12 Kbps–6144 Kbps
Bit rate control	Constant Bit Rate (CBR)/Variable Bit Rate (VBR)	Constant Bit Rate (CBR)/Variable Bit Rate (VBR)
Flip & mirror	Yes	Yes
Highlight Compensation (HLC)	Yes	Yes
Privacy masking	Yes	Yes
Region of Interest (ROI) encoding	Yes	Yes
Smart IR	Yes	Yes
Analog signal format systemKnown for one	PAL	Unknown — not stated by the source
3D NR (Noise Reduction)Known for one	Yes	Unknown — not stated by the source
Audio2 differ
Audio formats supportedKnown for one	Unknown — not stated by the source	AAC, G.711 A-law, G.711 μ-law
Audio codecsDiffers	G.711a/ G.711Mu/ AAC/ G.726	AAC,G.711,G.711 A-law,G.726
Signal-to-Noise Ratio (SNR)Differs	50 dB	52 dB
Built-in microphone	Yes	Yes
Network2 differ
Ethernet LAN	Yes	Yes
Wi-Fi	No	No
Bluetooth	No	No
Ethernet interface type	Fast Ethernet	Fast Ethernet
Networking standardsDiffers	IEEE 802.3af	IEEE 802.1x
Supported network protocolsDiffers	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	IPv4; IPv6; HTTP; TCP; UDP; ARP; RTP; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; PPPoE; Boujour
Number of users	20 user(s)	20 user(s)
Quality of Service (QoS) support	Yes	Yes
Cabling technologyKnown for one	10/100Base-T(X)	Unknown — not stated by the source
Streaming methodKnown for one	Multicast, Unicast	Unknown — not stated by the source
Storage4 differ
Built-in HDDDiffers	No	Yes
Card reader integrated	Yes	Yes
Compatible memory cards	MicroSD (TransFlash)	MicroSD (TransFlash)
Maximum memory card sizeDiffers	128 GB	256 GB
Internal memoryDiffers	512 MB	128 MB
ROM capacityDiffers	32 MB	128 MB
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	1	1
InterfaceKnown for one	RJ-45	Unknown — not stated by the source
Security1 differ
Active tampering alarmKnown for one	Unknown — not stated by the source	Yes
Digital watermarkKnown for one	Unknown — not stated by the source	Yes
Intelligent Video Surveillance (IVS) system featuresDiffers	Abandoned object, Face detection, Intrusion, Missing object, Tripwire	Intrusion, Tripwire
Mirror	Yes	Yes
Motion sensor	Yes	Yes
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
Web browser	Yes	Yes
Management softwareKnown for one	Smart PSS, DSS, Easy4ip	Unknown — not stated by the source
Power1 differ
Power source typeDiffers	PoE	DC, PoE
Power consumption (max)Known for one	Unknown — not stated by the source	5.5 W
Power consumption (Power over Ethernet (PoE))Known for one	Unknown — not stated by the source	6.1 W
DC output voltage	12	12
Power consumption (typical)Known for one	6 W	Unknown — not stated by the source
Power over Ethernet (PoE)Known for one	Yes	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	-30 - 60 °C	-40 - 60 °C
Storage temperature (T-T)Differs	-30 - 60 °C	-40 - 60 °C
Operating relative humidity (H-H)	0 - 95%	0 - 95%
Storage relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
System requirementsidentical
Mobile operating systems supported	Android, iOS	Android, iOS
Weight & dimensions3 differ
HeightDiffers	93.7 mm	100.9 mm
DiameterDiffers	10.6 cm	11 cm
WeightDiffers	470 g	390 g
Sustainabilityidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	CE, Electromagnetic Compatibility (EMC), Federal Communications Commission (FCC), Low Voltage Directive (LVD)
Packaging data1 differ
Package weightDiffers	650 g	560 g
Packaging contentidentical
Number of cameras	1	1
Other featuresidentical
Browser supportedKnown for one	IE, Chrome, Firefox, Safari	Unknown — not stated by the source
IR controlKnown for one	Auto, Manual	Unknown — not stated by the source
Technical detailsidentical
Lens mount interfaceKnown for one	Board mount	Unknown — not stated by the source
Number of video streamsKnown for one	3	Unknown — not stated by the source

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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