Nice Kit of cable tools to make your own cables

Run a single POE+ (Power over Ethernet) cable to your Cams for power and ethernet.   This Switch can handle 8 POE+ Cameras

25x 360 PTZ  While large, this cam is worth it.

Hikvision DS-2CD2342WD-I 4MP WDR EXIR Turret IP Network Camera 2.8mm

BlueIris is the defacto standard PC software for managing all your cameras.