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Hi, I have recently bought a UK spec DS-2DE4220IW-D. I was surprised to hear a fan permanently running, removing the back cover as you would to insert a micro SD card reveals a small fan with a plug and 2 wire lead so obviously not speed controlled. This makes enough noise to be heard when...

Hello thanks for letting me join your forum where I hope to learn something and then possibly be of some use to others. My only experience so far is with a Chinavasion (not recommended) outside ptz ip camera and an indoor Tenvis ptz ip camera which I have owned for a couple of years. Both send...