Is there cable there already?

Network kits run one cable per camera; coax kits reuse an older system's.

• IP / PoE8

What shape cameras?

Bullets point one way; turrets and domes look around from a fixed spot.

• Bullet (long body)2
• Turret (ball in a cup)3

How much detail?

Higher numbers let you zoom further into a recording.

• 4MP5
• 5MP3

How long should it keep footage?

Bigger drive, more days before it writes over the oldest.

• 8TB10
• 14TB76
• 18TB8
• 20TB10
• 24TB33
• 30TB9

Roughly what would you spend?

• £2,000 – £5,0008

Any make in particular?

• Prolux8