General
Manufacturer	Hikvision
Model	HIKVISION (DS-2CD2721G0-I(2.8-12mm)
Manufacturer Part No	DS-2CD2721G0-I(2.8-12mm)

Hikvision (DS-2CD2721G0-I(2.8-12mm) 2 MP WDR Varifocal Dome Network Camera

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Brand Store: Hikvision
Model: HIKVISION (DS-2CD2721G0-I(2.8-12mm)
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Part No: DS-2CD2721G0-I(2.8-12mm)
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About this item

2 MP WDR Varifocal Dome Network Camera

1/2.8"" Progressive CMOS, ICR, Color: 0.028 Lux (F2.0; AGC ON), 0lux with IR, 1920x1080:25fps(P)/30fps(N), H.265+/H.265/H.264/MJPEG, DC12V & PoE, 3D DNR, BLC, IR: up to 30m, Support on-board card slot (SD card not included), Vandal-proof, HIK-Connect cloud service

-S: Audio/Alarm IO conectors

-Z: Motorized VF lens

Camera
Image Sensor1/2.7" Progressive Scan CMOS
Max. Resolution1920 × 1080
Min. IlluminationColor: 0.005 Lux @(F1.6, AGC ON), B/W: 0 Lux with IR
Shutter Speed1/3 s to 1/100,000 s
Wide Dynamic Range120 dB
Day & NightIR Cut Filter
Angle AdjustmentPan: 0° to 355°, tilt: 0° to 75°, rotation: 0° to 355°

Lens
Lens TypeVarifocal Lens, motorized lens, 2.8 to 12 mm
Focal Length & FOV2.8 to 12 mm: horizontal FOV 98° to 38°, vertical FOV 52° to 21°, diagonal FOV 115° to 43°
Lens Mount14
Iris TypeFixed
ApertureF1.6

Illuminator
IR Wavelength850 nm
IR RangeUp to 40 m

Video
Main Stream
50 Hz: 25 fps (1920 × 1080, 1280 × 720)
60 Hz: 30 fps (1920 × 1080, 1280 × 720)
Sub-Stream
50 Hz: 25 fps (640 × 480, 640 × 360 )
60 Hz: 30 fps (640 × 480, 640 × 360 )
Video Compression
Main stream: H.265+/H.265/H.264+/H.264
Sub-stream: H.265/H.264/MJPEG
Video Bit Rate32 Kbps to 8 Mbps
H.264 TypeBaseline Profile/Main Profile/High Profile
H.265 TypeMain Profile
Region Of Interest (ROI)1 fixed region for main stream

Audio
Audio Compression-S: G.711ulaw/G.711alaw/G.722.1/G.726/MP2L2/PCM/AAC
Audio Bit Rate-S: 64 Kbps (G.711)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 160 Kbps (MP2L2)/16 to 64 Kbps (AAC)
Audio Sampling Rate-S: 8 kHz/16 kHz
Environment Noise Filtering-S: Yes

Network
ProtocolsTCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, PPPoE, NTP, UPnP™, SMTP, SNMP, IGMP, 802.1X, QoS, IPv6, Bonjour
Simultaneous Live ViewUp to 6 channels
APIOpen Network Video Interface, ISAPI
User/HostUp to 32 users. 3 levels: administrator, operator and user
ClientiVMS-4200, Hik-Connect
Web Browser
Plug-in required live view: IE 10+
Plug-in free live view: Chrome 57.0+, Firefox 52.0+
Local service: Chrome 57.0+, Firefox 52.0+

Image
Image SettingsRotate mode, saturation, brightness, contrast, sharpness adjustable by client software or web browser
Day/Night SwitchAuto, Schedule, Day, Night
Image EnhancementBLC, 3D DNR

Interface
Ethernet Interface1 RJ45 10 M/100 M self-adaptive Ethernet port
On-Board StorageBuilt-in memory card slot, support microSD card, up to 256 GB
Audio
-S:
1 input (line in), two-core terminal block, max. input amplitude: 3.3 Vpp, input impedance: 4.7 KΩ, interface type: non-equilibrium
1 output (line out), two-core terminal block, max. output amplitude: 3.3 Vpp, output impedance: 100 Ω, interface type: non-equilibrium
Alarm-S: 1 input,1 output, (max. 12 VDC, 30 mA)
ResetYes

Event
Basic EventMotion detection, video tampering alarm, exception
Smart EventLine crossing detection, intrusion detection
Linkage-S: Upload to FTP, notify surveillance center, send email, upload to memory card, trigger recording, trigger capture, audible warning, trigger alarm output

General
Power
12 VDC ± 25%, 0.8 A, max. 10 W, Ø5.5 mm coaxial power plug
PoE: (802.3af, Class 3, 36 V to 57 V), 0.21 A to 0.33 A, max. 12 W
Camera DimensionØ153 .3 mm × 111.6 mm (6" × 4.4 ")
Package Dimension239 mm × 169 mm × 160 mm (9.4" × 6.7" × 6.3")
Camera WeightApprox. 880 g (1.9 lb.)
With Package WeightApprox. 1300 g (2.9 lb.)
Storage Conditions-30 °C to +60 °C (-22 °F to +140 °F). Humidity 95% or less (non-condensing)
Startup And Operating Conditions-30 °C to +60 °C (-22 °F to +140 °F), humidity 95% or less (non-condensing)
Language33 languages: English, Russian, Estonian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenian, Serbian, Turkish, Korean, Traditional Chinese, Thai, Vietnamese, Japanese, Latvian, Lithuanian, Portuguese (Brazil), Ukrainian
General FunctionAnti-flicker, heartbeat, mirror, password protection, privacy mask, watermark, IP address filter

Approval
EMC
FCC SDoC: 47 CFR Part 15, Subpart B;
CE-EMC: EN 55032: 2015, EN 61000-3-2: 2014, EN 61000-3-3: 2013, EN 50130-4: 2011 + A1: 2014;
RCM: AS / NZS CISPR 32: 2015;
IC VoC: ICES-003: Issue 6, 2016;
KC: KN 32: 2015, KN 35: 2015
Safety
UL: UL 60950-1;
CB: IEC 60950-1:2005 + Am 1:2009 + Am 2:2013, IEC 62368-1:2014;
CE-LVD: EN 60950-1: 2005 + Am 1: 2009 + Am 2: 2013, IEC 62368-1: 2014;
BIS: IS 13252(Part 1):2010+A1:2013+A2:2015
Environment
CE-RoHS: 2011/65 / EU;
WEEE: 2012/19/EU;
Reach: Regulation (EC) No 1907/2006
Other
IP67: IEC 60529-2013;
IK10: IEC 62262:2002