It must have been a spider's web. No problem since I wiped the lens area. Thanks!
Regarding false motion detection, I have written a simple Google Apps script that deletes any detections emailed during the night. The motion detection during daylight hours is perfect at sensitivity of 1 - so...
That's a quick spider - it was the first night after installing it. I've climbed up and inspected, but could not see anything. I gave it a wipe and I'll see if it's any different tonight.
I've got another question brewing, but I'll exhaust google before I ask it!
Thanks Bob.
I've just setup a 7616 NVR with 2032 bullets. On one camera I'm getting strange dancing lights - looks like some kind of reflection. See attached picture. These lights flicker, and dance around slightly - triggering motion detection. The area is totally dark - we have no street lights in...
Many thanks Bob. I also emailed Hikvision UK last night and got a response this morning (see below) confirming the PoE point. I've searched far and wide on the internet without getting a really definitive answer on this - so hopefully from now on, this thread can be the definitive answer...
I'm new to this CCTV stuff but have some IP experience. I have two questions - see below.
Background
I'm planning to buy a standalone NVR - the Hikvision DS-7616NI and 7 or 8 cameras. I'll have 3 IP cameras that are remote from the house - so I plan to connect those to a 4/5 port POE switch and...