DB4

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            Feature         Selling points   Wireless connection Remote active wake up,two-way talk quick start,, begain to recording in one second Intelligence human motion detection Intelligent alarm push 7500mAh three 18650 batteries power supply, low battery remind Ultra-low-power system optimization Free cloud storage alarm recording
      System Operating system linux
    Online visitor Support 4 visitors at the same time
    CPU T31 ZL
          Collection Image sensor GC2063 1/3 inch 1080p Progressive Scan CMOS
    Sensor performance Support automatic white balance, automatic gain control and automatic backlight compensation
    Viewing angle 130˚
    Night vision Dual Filter,IR-Cut,6pcs 850nm Φ28Mil high power IR LED, IR irradiation distance:5~10m
    IR control Turn on IR, the night vision function is enabled, Infrared and ICR automatic detection; Turn off the IR, the night vision function is disabled, the infrared is always off, ICR is fixed in day view mode
          Video Compression standard H.264+mainProfile/H.264Baseline Profile/MJPEF/JPEG Baseline
    Multistream Mainstream 1920* 1080@15fps Substream 640* 360@15fps
    Compression standard/Bit Rate CBR/VBR Two code rate control modes,the output code rate range is 128~4096kbps
    Image adjustment Brightness, contrast, saturation, and chroma are adjustable
        Audio Input Built-in 38db microphone
    Output Built-in 8Ω1 w speakers
    Sampling frequency/bit width 8KHz/16bit
    Compression standard/Bit Rate ADPCM/32kbps
        Network Network protocol TCP/IP,HTTP,TCP,UDP,DHCP,DNS,NTP,P2P,etc.
    Wireless network IEEE802.11b/g/n
    Wireless frequency 2.4~2.4835GHz
    Wireless security encryption 64/128-bit WEP/WPA-PSK/WPA2-PSK data encryption
    Wireless connection AP mode connection,Scan QR code to network
    Button Doorbell button Wake up the doorbell Ding Dong

    DB4 Scenario shows