About HIKVISION  DS-2CD2123G2-I(2.8mm)

• Camera
• Image Sensor1/2.8″ Progressive Scan CMOS
• Max. Resolution 1920 × 1080
• Min. Illumination Color: 0.005 Lux @ (F1.6, AGC ON),B/W: 0 Lux with IR
• Shutter Time1/3 s to 1/100,000 s
• Day & Night IR cut filter
• Angle Adjustment Pan: 0° to 355°,tilt: 0° to 75°,rotate: 0° to 355°

• Lens
• Lens Type Fixed focal lens, 2.8 and 4 mm optional
• Focal Length & FOV

  2.8 mm, horizontal FOV 107°, vertical FOV 57°, diagonal FOV 127°

  4 mm, horizontal FOV 87°, vertical FOV 46°, diagonal FOV 104°

• Lens Mount M12
• Iris Type Fixed
• Aperture F1.6
• Depth Of Field

  2.8 mm: 1 m to ∞

  4 mm: 1.2 m to ∞

• DORI
• DORI

  2.8 mm: D: 44 m, O: 17 m, R: 9 m, I: 4 m

  4 mm: D: 54 m, O: 21 m, R: 11 m, I: 5 m

• Illuminator
• Supplement Light TypeIR
• Supplement Light Range Up to 30 m
• Smart Supplement Light Yes
• IR Wavelength 850 nm

• 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)

• Third Stream

  50 Hz: 10 fps (1920 × 1080, 1280 × 720, 640 × 480, 640 × 360)

  60 Hz: 10 fps (1920 × 1080, 1280 × 720, 640 × 480, 640 × 360),

  *Third stream is supported under certain settings.

• Video Compression

  Main stream: H.265/H.264/H.264+/H.265+

  Sub-stream: H.265/H.264/MJPEG

  Third stream: H.265/H.264

• Video Bit Rate32 Kbps to 8 Mbps
• H.264 Type Baseline Profile,Main Profile,High Profile
• H.265 TypeMain Profile
• Bit Rate ControlCBR,VBR
• Scalable Video Coding (SVC)H.264 and H.265 encoding
• Region Of Interest (ROI)1 fixed region(s) for main stream and sub-stream

• Audio
• Audio Compression-S: G.711/G.722.1/G.726/MP2L2/PCM/MP3/AAC-LC
• Audio Bit Rate-S: 64 Kbps (G.711ulaw/G.711alaw)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 192 Kbps (MP2L2)/8 to 320 Kbps (MP3)/16 to 64 Kbps (AAC-LC)
• Audio Sampling Rate-S: 8 kHz/16 kHz/32 kHz/44.1 kHz/48 kHz
• Environment Noise Filtering-S: Yes

• Network
• Protocols TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, NTP, UPnP, SMTP, IGMP, 802.1X, QoS, IPv6, UDP, Bonjour, SSL/TLS, PPPoE, SNMP, WebSocket, WebSockets
• Simultaneous Live View Up to 6 channels
• API Open Network Video Interface (Profile S, Profile G, Profile T),ISAPI,SDK,ISUP
• Smooth Streaming Yes
• User/Host

  Up to 32 users

  3 user levels: administrator, operator, and user

• Security Password protection, complicated password, HTTPS encryption, 802.1X authentication (EAP-TLS, EAP-LEAP, EAP-MD5), watermark, IP address filter, basic and digest authentication for HTTP/HTTPS, WSSE and digest authentication for Open Network Video Interface, RTP/RTSP over HTTPS, control timeout settings, security audit log, TLS 1.3, host authentication (MAC address)
• Network Storage

  NAS (NFS, SMB/CIFS),Auto Network Replenishment (ANR),

  Together with high-end Hikvision memory card, memory card encryption and health detection are supported.

• ClientiVMS-4200,Hik-Connect,Hik-Central
• Web Browser

  Plug-in required live view: IE 10, IE 11,

  Plug-in free live view: Chrome 57.0+, Firefox 52.0+,

  Local service: Chrome 57.0+, Firefox 52.0+

• Image
• Image Parameters Switch Yes
• Image Settings Rotate mode,saturation,brightness,contrast,sharpness,gain,white balance,adjustable by client software or web browser
• Day/Night Switch Day,Night,Auto,Schedule
• Wide Dynamic Range (WDR)120 dB
• SNR≥ 52 dB
• Image Enhancement BLC,HLC,3D DNR
• Privacy Mask Yes

• Interface
• Ethernet Interface1 RJ45 10 M/100 M self-adaptive Ethernet port
• On-Board Storage Built-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, mono sound
• Alarm-S: 1 input, 1 output (max. 12 VDC, 30 mA)
• Reset Key Yes

• Event
• Basic Event Motion detection (support alarm triggering by specified target types (human and vehicle)),video tampering alarm,exception
• Smart Event

  Line crossing detection, intrusion detection, region entrance detection, region exiting detection (support alarm triggered by specified target types (human and vehicle)),

  Face detection

• Linkage

  Upload to FTP/NAS/memory card,notify surveillance center,send email,trigger recording,trigger capture,

  trigger alarm output (-S), audible warning (-S)

• General
• Power

  12 VDC ± 25%, 0.5 A, max. 6 W,Ø5.5 mm coaxial power plug,reverse polarity protection,

  PoE: 802.3af, Class 3, 36 V to 57 V, 0.2 A to 0.15 A, max. 7.5 W

• Material Body: aluminum alloy, bubble: plastic
• DimensionØ110.8 mm × 84.7 mm (Ø4.4″ × 3.3″)
• Package Dimension134 mm × 134 mm × 108 mm (5.3″ × 5.3″ × 4.3″)
• Weight Approx. 530 g (1.2 lb.)
• With Package Weight Approx. 720 g (1.6 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)
• Language

  33 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 Function Anti-flicker, heartbeat, mirror, privacy mask, password reset via email, pixel counter

• Approval
• EMC

  FCC: 47 CFR Part 15, Subpart B,

  CE-EMC: EN 55032: 2015, EN 61000-3-2:2019, EN 61000-3-3: 2013+A1:2019, EN 50130-4: 2011 +A1: 2014,

  IC: ICES-003: Issue 7,

  KC: KN32: 2015, KN35: 2015

• Safety

  UL: UL 62368-1,

  CB: IEC 62368-1: 2014+A11,

  CE-LVD: EN 62368-1: 2014/A11: 2017

• Environment

  CE-RoHS: 2011/65/EU,

  WEEE: 2012/19/EU,

  Reach: Regulation (EC) No 1907/2006

• Protection IP67: IEC 60529-2013;IK10: IEC 62262:2002

Manufacturer Hilkinson