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    DH-TPC-DF1241 making clicking noise

    hello guys I just bought a DH-TPC-DF1241 thermal camera its making a clicking noise every couple of minutes, i think it might ICR but not sure. Is that how its supposed to be ? I tried searching for firmware update but there is nothing at all my current firmware is V2.630.0000000.0.R, Build...
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    which would you prefer ?

    For night time which would you prefer ? 4mp ptz with 1/1.8" sensor or 2mp ptz with 1/1.8" sensor I am thinking 2mp with that large sensor should be better at night time vision and moving objects but 4mp on ideal sensor size would give me bigger image, not sure which would i get. what do you...
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    any info where to find firmware for Honeywell HBW2GR3

    any info about this camera Honeywell HBW2GR3 in general, anyone tested it before, is it good image ? which dahua equivilant would it be in case i need to cross flash firmware ? Thanks a lot here is some info about the camera that i could find...
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    digital noise reduction off gives me grainy image

    I just bought a new camera iDS-2CD7A46G0-IZHS 8 to 32 mm FOV, the image was ok when I first installed it, as soon as I turned off digital noise reduction the image day/night got so grainy, is thats how its supposed to be ? I was expecting more from this camera, hopefully its only some setting I...
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    why specs doesnt have sensor size ?

    I noticed many of the Hikvision models dont have any mention of the sensor size, and online search doesnt even mention that, why they do that ? and is there a way to find the specs ? for example these cameras they only list 5mp sensor but what exact size is it ? we have seen numerous 5mp cameras...
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    can we identify model without software ?

    I have an online seller selling this PTX but he doesnt know the model number and he is not keen to dissasemble the mount to look for label. so anyone know what model number is it or any info ?
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    recommendation poe/lan with 2mp 1/1.28 sensor doorbell camera

    I am searching for any door bell camera its not really important if it has button or chime or audio, all I need is a small camera that has rtsp stream and IR. must have either 2mpx 1/1.28 sensor or 4mpx 1/1.8 sensor, and connected using lan cable which can be powered with poe or normal dc power