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I learned a bigger sensor is better for low-light situation, so 1:1/8'' should be better than 1/2:8''. But I see: IPC-HDBW5442R-ASE 1:1.8'' 4MP has 0.0007lux PC-HDBW5541R-ASE 1:2.7'' 5MP has 0.0009lux It's not that great difference, is it? So, to quickly identify a low light winner, is it...

who cares of his good/bad days? Only rudeness and nonsense is visible, congratulations. Neither a teenager. Oh fenderman, you, that can spend so much, ohhhhh my, why don't you make a round on apple/google store and buy some 30$ prog at random. "Oh but I don't need it", "Who cares? It's well...

@fenderman Completely unneeded harshness. 30$ or 300$ is common practice always knowing what you are buying. Simple as that. Probably it will worth it, nonetheless it's normal asking to know at least the major differences. But to be honest I did not use ANY of the new features in BI in the last...

Ok, but which are the new features of BI5? Which differences with BI4? I think before talking of $ upgrade, should be necessary talking of the features to decide what to do.

Yes, true. But when you have like 6xstreams recording and you want to see some events triggered, so contemporaneous sequential writing and random reading, well, maybe a 7200RPM could make a better job.

Normally Toshiba is around top quality for HDD, better than WD, maybe equal to HGST-Hitachi that is sadly been absorbed by WD. But I don't think WD will mantain the HGST quality... Of course it depends also on the model, a WD black will be superior than a Toshiba surveillance... Anyway, both...

Hi, I need an HDD for recording about 6 cameras. I found: Toshiba X300 4TB @103€ Toshiba S300 4TB @111€ WD purple 4TB @132€ I know Toshiba (like X300) are great general HDD, but for surveillance I see the purple is a common choice. But I could find a Toshiba for surveillance S300 at lower price...

I'm studying managed switches, so I would ask: if I buy a L2+ (or L3 switch), I know they can do inter-vlan: should I be ok without the router? Or do I need the router also with a L2+ switch? Or if I must buy a router I could buy a cheaper normal L2 switch? I mean: 1) L2 switch + router 2)...

But this way, if I put intercom into a VLAN in the managed switch, I imagine I can't look at the video doorbell into BI for example, as VLAN cannot communicate with pc. Not that so important, but is it correct?

Thank you. 1) in the direct IP connection I could manage only the one port from the Dahua POE switch. So if I put it on a managed switch I should fix it. 2) in the 2-wire connection, I will put the managed switch on the port from the external cable. So, both schemas, only one port to manage: it...

I found a manual install of 2-wire system and there is a pic pag.10: http://www.dahuasecurity.com/asset/upload/download/Dahua_VDP_2-Wire_VTH5222CH_Users_Manual_V1.0.0.pdf So I misunderstood the connection. The external cam will connect directly with RJ45 cables to the router with Internet (so...

I would like to install an intercom on a building with 3 apartments. So I thought of this Dahua VTO2000A-C + VTO2000A-B (3 button module). They must be connected to their POE switch VTNS1060A and to 3x 7'' internal monitors. Both external unit + 3x internal monitors are to be connected to the...

Thank you for the advise.

I think I'm in the situation of tigerwillow1: I can't buy all of starlight cams I need, simple as that. If normal cams are good on daytime, I think I'm not loosing that much. And *maybe* it's better than IR starlight, because of the deterrent led spotlights. I may be wrong, but I feel more...

Yes I understood. But I think I would use them better with led spotlights.

Thank you tigerwillow1! That was exactly what I needed to know! So, the options now are: get a 4MP chinese english FW and use always at daytime or a 2MP starlight to use also with IR at nightime. I thought also another option: I could try the Andy route with starlight, BUT asking him if he can...

Thank you, ok, I understand your thoughts. But: 1) backdoors are solved by firewall 2) firmware... ok could be buggy on some advanced function, but all I need is the stream, all functions will be made by BI, so fw updates aren't a big deal. Chinese restore... yes that's bad, but even this...

Or did you mean "Chinese" models are crappy, even if starlight ones?

Very interesting file! Thank you. But I thought: if I buy a Chinese model but with International firmware, I should go well, isn't it? I will not update the firmware in the future, so I must check/ask the shipped version has not bad bugs, but apart that, it should be fine. I mean, IF the 4233R...

I found this Dahua 6MP starlight cctv IPC-HFW4636M-I1 59,61: Dahua 6MP starlight cctv IPC HFW4636M I1 H.265I R50m IP67 telecamera ip di sicurezza con staffa multi lingua non POE in Dahua 6MP starlight cctv IPC-HFW4636M-I1 H.265I R50m IP67 telecamera ip di sicurezza con staffa multi-lingua non...

Yes, thank you.

This happens also to me. I would really like to see all recorded cameras to show simultaneously...

You're right... it lacks quick-sync ! And the wheel, any idea?

I installed BlueIris on an old Lenovo with updated W10 32bit, Intel i5-650. I put 3 ipcam, but when I'm over any video and scroll the wheel it doesn't zoom! The scroll wheel works on other progs. More, I enabled HW acceleration (even restarted it) on all ipcam, but CPU remains the same... It...

What do you mean with actual IR? An IR led to illuminate at night? I saw only these without the enclosure, so only board+IRcut+lens.

Ok, AE ref put to 1 reaches 1/10000 with strong sun, at default 50 it doesn't. Good.

Ok, I found these descriptions: Anyway, these: [AGC] Open or close AGC, the range is between 0~100. [Slow Shutter] Select None/Low/Medium/High slow shutter, higher slow shutter produce better night vision aren't that clear... AGC? it doesn't seem to balance color... And the slow shutter is...

Have you seen my: mini IPcam Gadinan 2MP vs Dahua 4431 It doesn't state the IMX sensor (it says generally 1/2.7 CMOS, that should be larger than IMX...) but you can see some pics at night and it seems good. In the price there is also the zoom lens, it has IRcut. I was digging to understand...

I tried the slow shutter @night, but I don't know what it really benefits, apart from slowing down a lot fps... I.e. I set 15fps max none:15fps low:7.50fps medium:5fps high:3,5fps The only visible result is a slightly improvements in the white balance of the pic: it's not so yellowish, but still...

The IR cut filter IS there, between the sensor and the lens, in that tiny triangular space, you can clearly hear the "clack" when you switch it manually or in auto-mode and you see the result in video. But it's there only in the versions without the enclosure, the other ones haven't it. For the...