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  •   Hikvision bullet DS-2CD2021G1-I F2.8

    Hikvision bullet DS-2CD2021G1-I F2.8

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  • Camera
    Image Sensor1/2.7″ Progressive Scan CMOS
    Min. IlluminationColor: 0.01 Lux @(F1.2; AGC ON), 0.028 Lux @(F2.0; AGC ON)
    Shutter Speed1/3 s to 1/100,000 s
    Slow ShutterYes
    Auto-IrisNo
    Day & NightIR Cut Filter
    Digital Noise Reduction3D DNR
    Wide Dynamic RangeDWDR
    3-Axis AdjustmentPan: 0° to 360°, tilt: 0° to 90°, rotate: 0° to 360°
    Lens
    Focal length2.8mm
    ApertureF2.0
    FocusNo
    FOV2.8 mm, horizontal FOV: 114°, vertical FOV: 62°, diagonal FOV: 136°
    Lens MountM12
    IR 
    IR RangeUp to 30 m
    Wavelength850nm
    Compression Standard 
    Video CompressionMain stream: H.265/H.264

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

    H.264 TypeBaseline Profile/Main Profile/High Profile
    H.264+Main stream supports
    H.265 TypeMain Profile
    H.265+Main stream supports
    Video Bit Rate32 Kbps to 8Mbps
    Smart Feature-set 
    Behavior AnalysisLine crossing detection, intrusion detection
    Region of InterestSupport 1 fixed region for main stream
    Image
    Max. Resolution1920 × 1080
    Main Stream50Hz: 25fps (1920 × 1080, 1280 × 960, 1280 × 720)

    60Hz: 30fps (1920 × 1080, 1280 × 960, 1280 × 720)

    Sub Stream50Hz: 25fps (640 × 480, 640 × 360, 320 × 240)

    60Hz: 30fps (640 × 480, 640 × 360, 320 × 240)

    Image EnhancementBLC/3D DNR
    Image SettingsRotate mode, saturation, brightness, contrast and sharpness are adjustable via client software and web browser
    Day/Night SwitchAuto/Scheduled/Day/Night
    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 (128G), local storage and NAS (NFS,SMB/CIFS), ANR
    ProtocolsTCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, PPPoE, NTP, UPnP, SMTP, SNMP, IGMP, 802.1X, QoS, IPv6, UDP, Bonjour
    General FunctionOne-key reset, anti-flicker, heartbeat, mirror, password protection, privacy mask, watermark
    APIONVIF(PROFILE S,PROFILE G), ISAPI
    Simultaneous Live ViewUp to 6 channels
    User/HostUp to 32 users

    3 levels: Administrator, Operator and User

    ClientiVMS-4200, Hik-Connect, iVMS-5200, iVMS-4500
    Web BrowserIE8+, Chrome 31.0-44, Firefox 30.0-51, Safari 8.0+
    Interface 
    Communication Interface1 RJ45 10M/100M self-adaptive Ethernet port
    On-board StorageBuilt-in microSD/SDHC/SDXC slot, up to 128 GB
    Reset ButtonYes
    General
    Operating Conditions-30 °C to +60 °C (-22 °F to +140 °F), Humidity 95% or less (non-condensing)
    Power Supply12 VDC ± 25%

    PoE: 802.3af, class 3

    Power Consumption and Current12 VDC, 0.3 A, max. 4 W

    PoE (802.3af, 36 to 57 V), 0.2 A to 0.1 A, max. 5.5 W

    Protection LevelIP67
    MaterialFront cover: plastic, back cover: metal
    Dimensions69.7 mm × 67.9 mm × 171.4 mm (2.7″ × 2.7″ × 6.7″)
    Weight350g (0.8lb)