Product comparison · 2 security cameras

Dahua Technology Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor vs Dahua Technology Lite IPC-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor

73specifications compared
32differ
41identical
60known for one product only

Key differences

The Dahua Technology Lite IPC-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor has 0.008 lx more minimum illumination than the Dahua Technology Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor (0.008 lx vs 0 lx). The Dahua Technology Lite IPC-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor has 16° more lens viewing angle, horizontal than the Dahua Technology Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor (104° vs 88°). The Dahua Technology Lite IPC-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor has 7° more lens viewing angle, vertical than the Dahua Technology Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor (55° vs 48°). Form factor: Dome on the Dahua Technology Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor, Bullet on the Dahua Technology Lite IPC-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor. Tilt angle range: 0 - 78° on the Dahua Technology Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor, 0 - 90° on the Dahua Technology Lite IPC-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor.

Form factor
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:Dome
- Lite IPC-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor:Bullet
Minimum illumination
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:0 lx
- Lite IPC-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor:0.008 lx
Lens viewing angle, horizontal
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:88°
- Lite IPC-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor:104°
Lens viewing angle, vertical
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:48°
- Lite IPC-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor:55°
Tilt angle range
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:0 - 78°
- Lite IPC-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor:0 - 90°
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-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor:25.4 / 3 mm (1 / 3")
Maximum aperture number
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:1.6
- Lite IPC-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor:1.5
Closest focusing distance
- Eco-savvy 3.0 HDW4831EMP-ASE Dome IP security camera Indoor & outdoor:1.7 m
- Lite IPC-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor:0.8 m

Side by side

Differences highlightedShow differences only

Comparison of HDW4831EMP-ASE, IPC-HFW2431T-ZS-27135-S2
133 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-HFW2431T-ZS-27135-S2 security camera Bullet IP security camera Indoor & outdoor Model IPC-HFW2431T-ZS-27135-S2 View product
Performance1 differ
Type	IP security camera	IP security camera
Placement supported	Indoor & outdoor	Indoor & outdoor
Connectivity technology	Wired	Wired
PTZ controlKnown for one	Yes	Unknown — not stated by the source
Wide Dynamic Range (WDR)	Yes	Yes
Day/night modeKnown for one	Yes	Unknown — not stated by the source
CertificationDiffers	CE (EN 60950:2000) UL:UL60950-1 FCC: FCC Part 15 Subpart B	CE-LVD: EN62368-1 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
Infrared (IR) cut-off filterKnown for one	Unknown — not stated by the source	Yes
Dynamic rangeKnown for one	Unknown — not stated by the source	120 dB
Design1 differ
Form factorDiffers	Dome	Bullet
Mounting type	Ceiling/wall	Ceiling/wall
Product colour	White	White
Housing material	Metal	Metal
Protection featuresKnown for one	Temperature proof, Waterproof	Unknown — not stated by the source
International Protection (IP) code	IP67	IP67
IK codeKnown for one	Unknown — not stated by the source	IK10
Camera5 differ
Minimum illuminationDiffers	0 lx	0.008 lx
Angle of rotationKnown for one	360°	Unknown — not stated by the source
Lens viewing angle, horizontalDiffers	88°	104°
Lens viewing angle, verticalDiffers	48°	55°
Tilt angle rangeDiffers	0 - 78°	0 - 90°
Pan range	0 - 360°	0 - 360°
White balanceDiffers	Auto, Lamp, Manual, Natural, Outdoor	Auto, Custom modes, Lamp, Manual, Natural, Outdoor
Camera shutter type	Electronic	Electronic
Camera shutter speed	1/3 - 1/100000 s	1/3 - 1/100000 s
Adjustment shutter speed	Auto/Manual	Auto/Manual
Camera pan controlKnown for one	Unknown — not stated by the source	Yes
Camera tilt controlKnown for one	Unknown — not stated by the source	Yes
Lens viewing angle, diagonalKnown for one	Unknown — not stated by the source	124°
Image sensor1 differ
Sensor type	CMOS	CMOS
Optical sensor sizeDiffers	25.4 / 2.5 mm (1 / 2.5")	25.4 / 3 mm (1 / 3")
Progressive scan	Yes	Yes
Number of sensorsKnown for one	Unknown — not stated by the source	1
Number of effective pixels (H x V)Known for one	Unknown — not stated by the source	2688 x 1520 pixels
Lens system2 differ
Zoom capabilityKnown for one	Yes	Unknown — not stated by the source
Detect distanceKnown for one	89 m	Unknown — not stated by the source
Observe distanceKnown for one	36 m	Unknown — not stated by the source
Recognize distanceKnown for one	18 m	Unknown — not stated by the source
Fixed focusKnown for one	Yes	Unknown — not stated by the source
Identify distanceKnown for one	9 m	Unknown — not stated by the source
Maximum aperture numberDiffers	1.6	1.5
Closest focusing distanceDiffers	1.7 m	0.8 m
Fixed focal lengthKnown for one	4 mm	Unknown — not stated by the source
Number of lensesKnown for one	Unknown — not stated by the source	1
Focal length rangeKnown for one	Unknown — not stated by the source	2.7 - 13.5 mm
FocusKnown for one	Unknown — not stated by the source	Motorized
Detect distance (tele)Known for one	Unknown — not stated by the source	220 m
Detect distance (wide)Known for one	Unknown — not stated by the source	64 m
Identify distance (tele)Known for one	Unknown — not stated by the source	22 m
Identify distance (wide)Known for one	Unknown — not stated by the source	6.4 m
Observe distance (tele)Known for one	Unknown — not stated by the source	88 m
Observe distance (wide)Known for one	Unknown — not stated by the source	25.6 m
Recognize distance (tele)Known for one	Unknown — not stated by the source	44 m
Recognize distance (wide)Known for one	Unknown — not stated by the source	12.8 m
Night vision2 differ
Night vision	Yes	Yes
Night vision distanceDiffers	50 m	60 m
LED type	IR	IR
Number of illumination LEDsDiffers	1	4
Video7 differ
Maximum resolutionDiffers	3840 x 2160 pixels	2688 x 1520 pixels
Total megapixelsDiffers	8 MP	4 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), 2304 x 1296, 2560 x 1440, 2688 x 1520
Supported video modesDiffers	480p, 720p, 1080p, 2160p	240p, 480p, 576p, 720p, 960p, 1080p, 1440p, 1520p
Frame rate	30 fps	30 fps
Analog signal format systemKnown for one	PAL	Unknown — not stated by the source
Video streaming	Yes	Yes
Noise reduction	Yes	Yes
Noise reduction technologyDiffers	Ultra 3D noise reduction	3D noise reduction
3D NR (Noise Reduction)Known for one	Yes	Unknown — not stated by the source
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
Video recordingKnown for one	Unknown — not stated by the source	Yes
Audioidentical
Audio codecsKnown for one	G.711a/ G.711Mu/ AAC/ G.726	Unknown — not stated by the source
Signal-to-Noise Ratio (SNR)Known for one	50 dB	Unknown — not stated by the source
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Bit rate rangeKnown for one	Unknown — not stated by the source	12 - 6144 Kbit/s
Network3 differ
Ethernet LAN	Yes	Yes
Wi-FiKnown for one	No	Unknown — not stated by the source
BluetoothKnown for one	No	Unknown — not stated by the source
Ethernet interface type	Fast Ethernet	Fast Ethernet
Networking standardsDiffers	IEEE 802.3af	IEEE 802.1x, IEEE 802.3af
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, HTTPS, TCP, UDP, ARP, RTP , RTSP, RTCP, RTMP, SMTP, FTP, SFTP, DHCP, DNS, DDNS, QoS, UPnP, NTP, Multicast, ICMP, IGMP, NFS, PPPoE, 802.1x, Bonjour, ONVIF, CGI, P2P, Milestone, Genetec
Cabling technologyKnown for one	10/100Base-T(X)	Unknown — not stated by the source
Number of users	20 user(s)	20 user(s)
Quality of Service (QoS) support	Yes	Yes
Streaming methodDiffers	Multicast, Unicast	Multicast
Storage3 differ
Built-in HDD	No	No
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
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Security1 differ
Intelligent Video Surveillance (IVS) system featuresDiffers	Abandoned object, Face detection, Intrusion, Missing object, Tripwire	Intrusion, Tripwire
Mirror	Yes	Yes
Motion sensorKnown for one	Yes	Unknown — not stated by the source
Privacy protectionKnown for one	Unknown — not stated by the source	Yes
Video motion detectionKnown for one	Unknown — not stated by the source	Yes
Management features1 differ
Web browser	Yes	Yes
Management softwareDiffers	Smart PSS, DSS, Easy4ip	Smart PSS, DSS, DMSS
Power1 differ
Power source typeDiffers	PoE	DC, PoE
Power consumption (typical)Known for one	6 W	Unknown — not stated by the source
DC output voltage	12	12
Power over Ethernet (PoE)Known for one	Yes	Unknown — not stated by the source
Power consumption (max)Known for one	Unknown — not stated by the source	9.6 W
Operational conditions1 differ
Operating temperature (T-T)	-30 - 60 °C	-30 - 60 °C
Storage temperature (T-T)Differs	-30 - 60 °C	-40 - 60 °C
Operating relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
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 & dimensions2 differ
HeightKnown for one	93.7 mm	Unknown — not stated by the source
DiameterDiffers	10.6 cm	9.04 cm
WeightDiffers	470 g	860 g
WidthKnown for one	Unknown — not stated by the source	90.4 mm
DepthKnown for one	Unknown — not stated by the source	90.4 mm
LengthKnown for one	Unknown — not stated by the source	244.1 mm
Packaging data1 differ
Package weightDiffers	650 g	1.1 kg
Package typeKnown for one	Unknown — not stated by the source	Box
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
Panoramic cameraidentical
Number of Privacy masking areas (panoramic camera)Known for one	Unknown — not stated by the source	4

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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