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    Wireless siren

    Thanks for your help.
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    Wireless siren

    I have also this DS-2CD1653G0-I(Z) , it has alarm output. How can I use it. Alarm -S: 1 input,1 output (max. 12 VDC, 30 mA)
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    Wireless siren

    I have DS-2CD2T83G2-2I , searched the internet how to use the cam alert output but found nothing
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    Wireless siren

    Thx for the response. I will check using Shelly. I read that some cams have alert output can I use it ?
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    Wireless siren

    Hi, my NVR is vary far from where I want to put the siren, is there a Wireless siren I can use ?
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    need firmware foe dahoa IPC-HFW4431R-Z

    ok, thx
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    need firmware foe dahoa IPC-HFW4431R-Z

    hi, i'm looking for firmware for dahua IPC-HFW4431R-Z, where can i find it?
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    remote view my camera

    can remote view my hikvision camera with my phone without NVR?
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    recommended NVR

    Thanks for the advise.
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    recommended NVR

    can you please clarify why the PC it better. also is the processor the only factor here or i need a powerful display card and large ram, and fast HD? thanks
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    recommended NVR

    hi, i have 6 ip-cameras (4hickvision & 2dahua ) and running on blueiris(i3 pc). i would like to add more cameras to become 12 cameras. so what NVR do you recommend?(POE ports not required)
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