beckosecurity

You can try a star light camera to install it in the black room. It can see under such kind situation.

There is unseen IR LED camera at night now. You can have a try of this kind of cameras.

Of course, for analogue cameras, you can use the same BNC. Do box cameras use the same BNC connectors as a bullet camera or dome camera?

The best way to buy a sample first to change the lens. It wastes your time to think of it before you have gotten one to have a try.

If you do not need to record, you can choose a dome camera. It is very easy to mount.

Now many CCTV Cameras or DVR have these kind of functions. It is much more economic and convenient.

Before proceeding, make sure that the PTZ camera image is viewable on the DVR's monitor.

Yes. There may be something wrong with your light sensor or driver circuit.

Yes, your budget is very important.

Please check the voltage is stable.

As far as I know, there is no difference between white and blue IR LED except the color. One of my friend as a sales of IR LED told me about this.

Bullet Camera has much more advantages than dome camera in IR and weatherproof.