Cameras and Recording

What you need are
Basic cameras
High resolution cameras from UK
High resolution cameras from China
VERY hi spec camera costing around 200
Mains power and if you're running multiple cameras you'll need a splitter cable which come in 2, 4 or 8
Audio, video cables mini cable tie flags to number the cables
A 4, 8 or 16 channel digital video recorder make sure it has equal video and audio inputs
To flick between multiple cameras without a DVR you'll need a 3 or 4 way switch box
If you are going to transfer your recordings on to a computer you need a phono cable to link to a computer
a video capture device mac windows pc