Hikvision 4MP Colorvu IP Turret Fixed
2MP - 1080p
4MP - 1440p (2K)
5MP - 1920p
6MP - in between
8MP - 4K
Vari focal cameras means the lens view can be adjusted.
Fixed cameras lens have a fixed view that is not adjustable.
Analogue & DVR run through COAX cable. This style is suitable for locations with already exisiting cable.
IP & NVR are network cameras that run through network cable (Cat 5 and Cat 6), This style of camera is suitable for locations with already exisiting network cable or for locations where new network cable can be laid.
2.8mm Lens - Wide View