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  1. K

    How to determine a fixed focal length using a variofocal 5442?

    What is the focal length in mm?
  2. K

    Dahua new firmware : DH_IPC-HX5XXX-single-Riemann_MultiLang_PN_Stream4_V3.100.0000000.2.R.230106

    This is the firmware for the new S3 version. Unlike older camera hardware.
  3. K

    Worlds First Review - Dahua DH-IPC-HDW5849H-ASE-LED / IPC-Color4K-T - 2.8mm Turret

    Is it known if the Color4K-T camera is utilizing the newer Sony IMX585, over the Color4K-X's IMX485? I'm 100% sure that HDW5849H-ASE-LED isn't IMX585 I the answer from the firmware decrypted. Color4K-X is sure to be IMX485.
  4. K

    Worlds First Review - Dahua DH-IPC-HDW5849H-ASE-LED / IPC-Color4K-T - 2.8mm Turret

    I got the HDW5849H-ASE-LED same camera. This CMOS uses OMNIVISION OS08B10 type 1/1.25" Stacked CMOS image sensor. Pixel size : 2.9μm Frame rate: 30x3 fps @4K2K The processor code name is XS7320 and the computing power is 1.5Tops. Can ANPR. Firmware version...
  5. K

    Recommendation for small interior camera (baby monitor)

    Left Imou , right Dahua.
  6. K

    Can you upgrade this cam to SMD4.0 ? DH-IPC-HDW3849H-AS-PV-S3

    SMD4.0 is only used for WEB5.0 firmware. Let me tell you an upgrade method, you put IPC-HDW3849H-AS-PV-S3 on ebay for sale. Then purchase IPC-HDW3849H-AS-PV-S4, you can use the most economical way to upgrade to SMD4.0
  7. K

    SD49225XA-HNR

    Although SD49225XA-HNR has "Video Metadata" function. Only the "Plate No" extraction function. Because the performance of the DH7300 processor is not very good. But It is also a good choice for cheap PTZ. Only "Plate No" function. The latest firmware has Alarm Track. V2.812.0000014.0.R...
  8. K

    Lorex E891AB (aka IPC-HFW1841EN-PV)

    This is customized firmware. Unable to change to Dahua firmware. IPC-HFW1841EN-PV-0280B-CAYENNE:01:02:02:72:2C:00:01:0F:01:01:00:3A5:00:00:00:00:00:01:00:02: 200 Use Dahua DH7200 processor + OS08A20
  9. K

    Dahua Smoke Detector/Flame Sensing Camera NO FLAME SENSING NOTIFICATIONS

    NVR needs to flash specific firmware to support. I have tried high-altitude parabolic camera before, but the trajectory line cannot be displayed on the NVR. Flashing the firmware that supports high-altitude parabola on the NVR will solve the problem. Dahua has many special intelligences...
  10. K

    Dahua DH-IPC-HDW3549H-AS-PV-S3 tioc with Facial Recognition?

    I will choose DH-IPC-HFW3549T1-AS-PV , without V3 or V4 Because only the first generation is F1.0 Dahua official website data error. Guess which one is for face recognition?
  11. K

    SD8C845FG-HNF 8MP 45x 1/1.2'' CMOS Dual Light Fusion Electronic Defog Network PTZ Camera

    I only have the previous generation COMS1/1.8" IMX334 PTZ. Pure white light fill light distance can reach 120m. Whether the fill light automatically judges the range light or spotlight according to the current magnification zoom. Turn off light. Turn on light.
  12. K

    5442 end of life?

    Because Dahua makes all the remaining Hi3516DV300 and Hi3519AV100 into Video Metadata products. which can be sold at a higher price. The ordinary Cameras is replaced by Novatek or sigmastar ARM.
  13. K

    alternative firmware for IPC-F42P Imou Bullet 2C

    Imou's camera can only be updated with LC_IPC-Consumer firmware. Can't be replaced Dahua firmware. Because the flash chip is only 8MB
  14. K

    PC-HDW3449H-AS-PV-S3 firmware

    HX5XXX-Volt generally does not need to upgrade firmware.bin If you need to upgrade firmware.bin, it will be after you upgrade the firmware. Prompt algorithm version does not meet. At present, I only encounter HX8XXX-Nobel, which must upgrade firmware.bin every time a different firmware is...
  15. K

    Hik ColorVu vs Color4K-X / Color4K-T?

    8MP clarity Dahua Color4K-T > Hik ColorVu > Dahua Color4K-X Low light Dahua Color4K-T >= Dahua Color4K-X > Hik ColorVu AI and FPS Dahua Color4K-T >= Dahua Color4K-X > Hik ColorVu
  16. K

    Worlds First Review - Dahua DH-IPC-PFW5849-A180-E2 - Dual Lens 180 Degree Full Color 4K (8MP Stitched) Camera

    Dahua combines this product with TiOC.
  17. K

    Review-Dahua IPC-HFW7842HP-Z AI, ANPR Ultra 8MP Varifocal Starlight Cam

    The biggest disadvantage of this HFW7842H is that there is no built-in MIC. But you can try adding MIC yourself. You need to dig a hole and find the corresponding wire to connect. Finally remember to seal around the MIC for waterproofing. When the front cover is closed, the built-in...
  18. K

    Camera recommendations

    This is also a good choice.
  19. K

    Dahua model number letters

    There are always exceptions. IPC-HFW2549S-S-IL is F1.6
  20. K

    What the difference between these two cameras

    CMOS is different.
  21. K

    Dahua VTH coustom mp3 ring

    Dahua VTH coustom mp3 ring. MP3 won't disappear even after instant factory reset.
  22. K

    Review-Dahua IPC-HFW7842HP-Z AI, ANPR Ultra 8MP Varifocal Starlight Cam

    Find a custom firmware for May 2022. It seems that AI has made a color distinction on the flow of people. IPC-HX8XXX-Nobel_MultiLang_NP_V2.800.9992003.0.T.220525 In addition, the HawKing series is one level higher than the Nobel or Darwin series. So the HawKing series is not a replacement for...
  23. K

    Aperture size

    If you want F1.0 Must buy IPC-HFW5449T-ASE-LED or IPC-HDW5449TM-SE-LED The front end of the F1.0 lens will be slightly larger than the F1.6 Previously, I tried to replace the HFW5442T with F1.0 but I gave up, because the shading plastic sheet in front had to be enlarged in diameter to fit it.
  24. K

    Which is the better NVR?

    I tried the NVR4208-8P-4KS2 can use a single 18TB hard drive.
  25. K

    API to turn on light for the IPC-HDW3849H-AS-PV

    How can Dahua VTO or ASI through API or get visitor QRCode?
  26. K

    Which is the better NVR?

    You can ask @EMPIRETECANDY He should be able to buy it.
  27. K

    Which is the better NVR?

    Consider the new NVR608H-32-XI Support HDMI 8K.
  28. K

    Unbricking bootloader

    The result of my test VTH5241DW-S1 uses W25Q256JVFQ chip.
  29. K

    Dahua VTH8641KMS-WP Rose Gold

    Ha guys.. Has anyone bought a new product?
  30. K

    Newly bought Dahua HFW3549T1-AS-PV not powering on.

    HFW3549T1-AS-PV is available in 3 versions. HFW3549T1-AS-PV-S4 and HFW3549T1-AS-PV and IPC-HFW3549T1-AS-PV-S3 HFW3549T1-AS-PV-S4 uses HX3XXX-Taurus firmware. HFW3549T1-AS-PV and IPC-HFW3549T1-AS-PV-S3 use HX5XXX-Volt firmware CMOS is OS05A In particular, it is worth mentioning that. The...
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