DS-2CD6365G0-IVS 6MP Fisheye - with and without V - what's V?

I'm running a little bit of a project for an owl cam or three - and have posted previously about how I got the wireless bridge up and running over to an old bell tower. Now I have another challenge - I have received a donation of two DS-2CD6365G0-IVS fisheye cameras - and intend to use one at the top of the bell tower to give an unusual perspective which will also happen to cover all the angles wherever the owl decides to fly. I've been given two units - one appears to be 'with V' and one...

Read more