ir illumination

Can a CCTV camera see an IR beam sensor? The answer is yes with this cheap beam detector from AliExpress. From this thread: https://ipcamtalk.com/threads/does-ir-light-from-cameras-or-illuminators-interfere-with-pir-detectors-or-ir-beam-detectors.53893/

I have several Dahua Starlight 2 MP cameras that have been purchased through Andy over several years. Despite having good cameras, I find it hard to identify specific vehicles on our property at night. I'm planning on testing out an IR illuminator such as this one, after watching this video...

Hi All, Been reading a lot recently as I want to overhaul my entire camera system, spent a few years "playing" now I would like to get a little more serious. I'm very interested in the idea of 4k resolution but i'm reading a LOT that they are pretty awful at night. Is there any movement in...