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    2 MP Indoor Fixed Dome Network Camera with Build-in Mic

    • High quality imaging with 2 MP resolution
    • Efficient H.265+ compression technology
    • Clear imaging even with strong back lighting due to DWDR technology
    • Up to 128 GB SD card slot for storage
    • Built-in microphone for real-time audio security
    • Wi-Fi connection with Hik-Connect directly is not possible
    • Water and dust resistant (IP66)

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    Available models:

    DS-2CD2121G1-IDW1(2.8mm)
    DS-2CD2121G1-IDW2(2.8mm)
    DS-2CD2121G1-IDW1(2.8mm)(B)
    DS-2CD2121G1-IDW1(2.8mm)(D)
    DS-2CD2121G1-IDW
    EOL

    Specification

    • Camera
    • Image Sensor1/2.7" Progressive Scan CMOS
    • Min. IlluminationColor: 0.028 Lux @(F2.0, AGC ON)
    • Shutter Speed1/3 s to 1/100,000 s
    • Slow ShutterYes
    • Day &NightIR Cut Filter
    • Wide Dynamic RangeDWDR
    • DNR3D DNR
    • Axis AdjustmentPan: 0° to 355°, tilt: 0° to 75°
    • Lens
    • ApertureF2.0
    • FOV2.8 mm, horizontal FOV: 114°, vertical FOV: 62°, diagonal FOV: 135° 4 mm, horizontal field of view: 86°, vertical FOV: 46°, diagonal FOV: 102°
    • Lens MountM12
    • Focal Length2.8/4 mm
    • Illuminator
    • IR RangeUp to 30 m
    • Wavelength850 nm
    • Network
    • Alarm TriggerMotion detection, video tampering, network disconnected, IP address conflict, illegal login, HDD error, HDD full
    • Network StorageSupport built-in microSD/SDHC/SDXC card (128 GB), local storage and NAS (NFS, SMB/CIFS), ANR
    • ProtocolsTCP/IP, ICMP, DHCP, DNS, DDNS, HTTP, HTTPS, RTP, RTSP, NTP, UPnP, IGMP, IPv6, UDP, QoS, Bonjour
    • APIONVIF (PROFILE S, PROFILE G), ISAPI
    • Simultaneous Live ViewUp to 6 channels
    • User/HostUp to 32 users. 3 levels: administrator, operator and user
    • ClientWired network: Hik-Connect, iVMS-4200, iVMS-5200, iVMS-4500 Wi-Fi: iVMS-4200, iVMS-5200, iVMS-4500 *Wi-Fi connection with Hik-Connect directly is not possible.
    • Web BrowserIE 8+, Chrome 31.0-44, Firefox 30.0-51, Safari 8.0+
    • Video
    • Max. Resolution1920 × 1080
    • Main Stream50Hz: 25 fps (1920 × 1080, 1280 × 960, 1280 × 720) 60Hz: 30 fps (1920 × 1080, 1280 × 960, 1280 × 720)
    • Sub Stream50Hz: 25 fps (640 × 480, 640 × 360, 320 × 240) 60Hz: 30 fps (640 × 480, 640 × 360, 320 × 240)
    • Video CompressionMain stream: H.265/H.264 Sub-stream: H.265/H.264/MJPEG
    • H.264 TypeBaseline Profile/Main Profile/High Profile
    • H.265 TypeMain Profile
    • Video Bit Rate32 Kbps to 8 Mbps
    • Audio
    • Audio CompressionG.711/G.722.1/G.726/MP2L2/PCM
    • Audio Bit Rate64Kbps(G.711)/16Kbps(G.722.1)/16Kbps(G.726)/32-192Kbps(MP2L2)
    • Audio Sampling Rate8 kHz/16 kHz/32 kHz/44.1 kHz/48 kHz
    • Smart Feature-Set
    • Region of InterestSupport 1 fixed region for main stream
    • Image
    • Image EnhancementBLC/3D DNR
    • Image SettingSaturation, brightness, contrast and sharpness are adjustable via client software and web browser
    • Day/Night SwitchAuto/Scheduled/Day/Night
    • Interface
    • Communication Interface1 RJ45 10M/100M self-adaptive Ethernet port
    • Audio1 Built-in mic, mono sound
    • On-board StorageBuilt-in microSD/SDHC/SDXC slot, up to 128 GB
    • General
    • Firmware VersionV5.5.98
    • General FunctionOne-key reset, anti-flicker, heartbeat, mirror, password protection, privacy mask, watermark, IP address filter
    • ResetYes
    • Startup and Operating Conditions-30 °C to +60 °C (-22 °F to +140 °F), humidity 95% or less (non-condensing)
    • Power Supply12 VDC ± 25%, Ø5.5 mm coaxial plug power
    • Power Consumption and Current12 VDC, 0.4 A, max. 5 W, <20 dBm
    • MaterialPlastic
    • DimensionsCamera: Ø121.4 mm × 92.2 mm (Ø4.8" × 3.6") With package: 150 mm × 150 mm × 141 mm (5.9" × 5.9" × 5.6")
    • WeightCamera: approx. 465 g (1 lb.) With package: approx. 713 g (1.6 lb.)
    • Wi-Fi
    • Protocol802.11b: CCK, QPSK, BPSK 802.11g/n: OFDM
    • Wireless StandardsIEEE802.11b, 802.11g, 802.11n
    • Frequency2.412 GHz - 2.4835 GHz
    • Channel Bandwidth20/40 MHz
    • Security64/128-bit WEP, WPA-PSK/WPA2-PSK
    • Transfer Rate802.11b: 11 Mbps 802.11g: 54 Mbps 802.11n: up to 150 Mbps
    • Wireless RangeUp to 50 m (The performance varies based on actual environment)
    • Approval
    • ProtectionIngress protection: IP66 (IEC 60529-2013)
    • Compression Standard
    • H.264+Main stream supports
    • H.265+Main stream supports
    *Product performance is based on testing in a controlled environment. Your results may vary due to several external and environmental factors.

    Specification

    Specification
    Camera
    • Image Sensor1/2.7" Progressive Scan CMOS
    • Min. IlluminationColor: 0.028 Lux @(F2.0, AGC ON)
    • Shutter Speed1/3 s to 1/100,000 s
    • Slow ShutterYes
    • Day &NightIR Cut Filter
    • Wide Dynamic RangeDWDR
    • DNR3D DNR
    • Axis AdjustmentPan: 0° to 355°, tilt: 0° to 75°
    Lens
    • ApertureF2.0
    • FOV2.8 mm, horizontal FOV: 114°, vertical FOV: 62°, diagonal FOV: 135° 4 mm, horizontal field of view: 86°, vertical FOV: 46°, diagonal FOV: 102°
    • Lens MountM12
    • Focal Length2.8/4 mm
    Illuminator
    • IR RangeUp to 30 m
    • Wavelength850 nm
    Network
    • Alarm TriggerMotion detection, video tampering, network disconnected, IP address conflict, illegal login, HDD error, HDD full
    • Network StorageSupport built-in microSD/SDHC/SDXC card (128 GB), local storage and NAS (NFS, SMB/CIFS), ANR
    • ProtocolsTCP/IP, ICMP, DHCP, DNS, DDNS, HTTP, HTTPS, RTP, RTSP, NTP, UPnP, IGMP, IPv6, UDP, QoS, Bonjour
    • APIONVIF (PROFILE S, PROFILE G), ISAPI
    • Simultaneous Live ViewUp to 6 channels
    • User/HostUp to 32 users. 3 levels: administrator, operator and user
    • ClientWired network: Hik-Connect, iVMS-4200, iVMS-5200, iVMS-4500 Wi-Fi: iVMS-4200, iVMS-5200, iVMS-4500 *Wi-Fi connection with Hik-Connect directly is not possible.
    • Web BrowserIE 8+, Chrome 31.0-44, Firefox 30.0-51, Safari 8.0+
    Video
    • Max. Resolution1920 × 1080
    • Main Stream50Hz: 25 fps (1920 × 1080, 1280 × 960, 1280 × 720) 60Hz: 30 fps (1920 × 1080, 1280 × 960, 1280 × 720)
    • Sub Stream50Hz: 25 fps (640 × 480, 640 × 360, 320 × 240) 60Hz: 30 fps (640 × 480, 640 × 360, 320 × 240)
    • Video CompressionMain stream: H.265/H.264 Sub-stream: H.265/H.264/MJPEG
    • H.264 TypeBaseline Profile/Main Profile/High Profile
    • H.265 TypeMain Profile
    • Video Bit Rate32 Kbps to 8 Mbps
    Audio
    • Audio CompressionG.711/G.722.1/G.726/MP2L2/PCM
    • Audio Bit Rate64Kbps(G.711)/16Kbps(G.722.1)/16Kbps(G.726)/32-192Kbps(MP2L2)
    • Audio Sampling Rate8 kHz/16 kHz/32 kHz/44.1 kHz/48 kHz
    Smart Feature-Set
    • Region of InterestSupport 1 fixed region for main stream
    Image
    • Image EnhancementBLC/3D DNR
    • Image SettingSaturation, brightness, contrast and sharpness are adjustable via client software and web browser
    • Day/Night SwitchAuto/Scheduled/Day/Night
    Interface
    • Communication Interface1 RJ45 10M/100M self-adaptive Ethernet port
    • Audio1 Built-in mic, mono sound
    • On-board StorageBuilt-in microSD/SDHC/SDXC slot, up to 128 GB
    General
    • Firmware VersionV5.5.98
    • General FunctionOne-key reset, anti-flicker, heartbeat, mirror, password protection, privacy mask, watermark, IP address filter
    • ResetYes
    • Startup and Operating Conditions-30 °C to +60 °C (-22 °F to +140 °F), humidity 95% or less (non-condensing)
    • Power Supply12 VDC ± 25%, Ø5.5 mm coaxial plug power
    • Power Consumption and Current12 VDC, 0.4 A, max. 5 W, <20 dBm
    • MaterialPlastic
    • DimensionsCamera: Ø121.4 mm × 92.2 mm (Ø4.8" × 3.6") With package: 150 mm × 150 mm × 141 mm (5.9" × 5.9" × 5.6")
    • WeightCamera: approx. 465 g (1 lb.) With package: approx. 713 g (1.6 lb.)
    Wi-Fi
    • Protocol802.11b: CCK, QPSK, BPSK 802.11g/n: OFDM
    • Wireless StandardsIEEE802.11b, 802.11g, 802.11n
    • Frequency2.412 GHz - 2.4835 GHz
    • Channel Bandwidth20/40 MHz
    • Security64/128-bit WEP, WPA-PSK/WPA2-PSK
    • Transfer Rate802.11b: 11 Mbps 802.11g: 54 Mbps 802.11n: up to 150 Mbps
    • Wireless RangeUp to 50 m (The performance varies based on actual environment)
    Approval
    • ProtectionIngress protection: IP66 (IEC 60529-2013)
    Compression Standard
    • H.264+Main stream supports
    • H.265+Main stream supports
    *Product performance is based on testing in a controlled environment. Your results may vary due to several external and environmental factors.

    Resources

    Technical documents

    Quick Start Guide
    User Manual
    FAQ
    For better user experience, we highly recommend you to update your device to the latest firmware asap.
    Applied to:
    DS-2CD2121G1-IDW1(2.8mm)
    DS-2CD2121G1-IDW2(2.8mm)
    DS-2CD2121G1-IDW1(2.8mm)(D)
    IPC E6 5.5.821 Release Note
    Applied to:
    DS-2CD2121G1-IDW1(2.8mm)(B)

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